30!28-1 trivially factors prime!: 59 (digits:2)
 32!28-1 trivially factors prime!: 127 (digits:3)
 38!28-1 trivially factors prime!: 379 (digits:3)
 40!28-1 trivially factors prime!: 479 (digits:3)
 42!28-1 trivially factors prime!: 587 (digits:3)
 46!28-1 trivially factors prime!: 827 (digits:3)
 56!28-1 trivially factors prime!: 1567 (digits:4)
 62!28-1 trivially factors prime!: 12647 (digits:5)
 76!28-1 trivially factors prime!: 72959 (digits:5)
 80!28-1 trivially factors prime!: 99839 (digits:5)
 82!28-1 trivially factors prime!: 115127 (digits:6)
 84!28-1 trivially factors prime!: 131711 (digits:6)
 88!28-1 trivially factors prime!: 675839 (digits:6)
 96!28-1 trivially factors prime!: 3133439 (digits:7)
 102!28-1 trivially factors prime!: 6249743 (digits:7)
 110!28-1 trivially factors prime!: 12664079 (digits:8)
 112!28-1 trivially factors prime!: 14751743 (digits:8)
 128!28-1 trivially factors prime!: 648806399 (digits:9)
 130!28-1 trivially factors prime!: 812466719 (digits:9)
 132!28-1 trivially factors prime!: 1001594879 (digits:10)
 138!28-1 trivially factors prime!: 1747643039 (digits:10)
 
 Primality testing 170!28-1 [N-1, Brillhart-Lehmer-Selfridge]
 small number, factored prime!
 170!28-1 is prime! (0.0198s+0.0009s) (digits:12)
 
 Primality testing 182!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 17
 Running N+1 test using discriminant 29, base 1+sqrt(29)
 Running N+1 test using discriminant 29, base 2+sqrt(29)
 Calling N+1 BLS with factored part 100.00% and helper 11.63% (316.28% proof)
 182!28-1 is prime! (0.0697s+0.0035s) (digits:14)
 
 Primality testing 200!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 13, base 1+sqrt(13)
 Running N+1 test using discriminant 13, base 2+sqrt(13)
 Calling N+1 BLS with factored part 100.00% and helper 6.25% (310.42% proof)
 200!28-1 is prime! (0.0751s+0.0025s) (digits:15)
 
 Primality testing 220!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 19, base 1+sqrt(19)
 Running N+1 test using discriminant 19, base 2+sqrt(19)
 Calling N+1 BLS with factored part 100.00% and helper 5.66% (307.55% proof)
 220!28-1 is prime! (0.0191s+0.0579s) (digits:17)
 
 Primality testing 254!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 13, base 1+sqrt(13)
 Running N+1 test using discriminant 13, base 2+sqrt(13)
 Calling N+1 BLS with factored part 100.00% and helper 14.29% (314.29% proof)
 254!28-1 is prime! (0.0628s+0.0126s) (digits:19)
 
 Primality testing 270!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 19
 Running N+1 test using discriminant 47, base 1+sqrt(47)
 Running N+1 test using discriminant 47, base 2+sqrt(47)
 Calling N+1 BLS with factored part 100.00% and helper 10.29% (310.29% proof)
 270!28-1 is prime! (0.0190s+0.0021s) (digits:21)
 
 Primality testing 278!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 17, base 1+sqrt(17)
 Running N+1 test using discriminant 17, base 2+sqrt(17)
 Calling N+1 BLS with factored part 100.00% and helper 4.35% (307.25% proof)
 278!28-1 is prime! (0.0178s+0.0015s) (digits:21)
 
 Primality testing 282!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 13
 Running N+1 test using discriminant 37, base 1+sqrt(37)
 Running N+1 test using discriminant 37, base 2+sqrt(37)
 Calling N+1 BLS with factored part 100.00% and helper 1.41% (301.41% proof)
 282!28-1 is prime! (0.0217s+0.0025s) (digits:22)
 
 Primality testing 298!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 19, base 1+sqrt(19)
 Running N+1 test using discriminant 19, base 2+sqrt(19)
 Calling N+1 BLS with factored part 100.00% and helper 17.11% (318.42% proof)
 298!28-1 is prime! (0.0167s+0.0024s) (digits:23)
 
 Primality testing 300!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 23
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 1.32% (303.95% proof)
 300!28-1 is prime! (0.0212s+0.0026s) (digits:24)
 
 Primality testing 338!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 37, base 1+sqrt(37)
 Running N+1 test using discriminant 37, base 2+sqrt(37)
 Calling N+1 BLS with factored part 100.00% and helper 10.34% (313.79% proof)
 338!28-1 is prime! (0.0155s+0.0049s) (digits:27)
 
 Primality testing 342!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 61, base 1+sqrt(61)
 Running N+1 test using discriminant 61, base 2+sqrt(61)
 Calling N+1 BLS with factored part 100.00% and helper 1.11% (301.11% proof)
 342!28-1 is prime! (0.0261s+0.0029s) (digits:28)
 
 Primality testing 346!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 17, base 1+sqrt(17)
 Running N+1 test using discriminant 17, base 2+sqrt(17)
 Calling N+1 BLS with factored part 100.00% and helper 5.49% (306.59% proof)
 346!28-1 is prime! (0.0172s+0.0019s) (digits:28)
 
 Primality testing 424!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 2+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 0.87% (300.87% proof)
 424!28-1 is prime! (0.0229s+0.0034s) (digits:35)
 
 Primality testing 476!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 19
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 2+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 4.62% (304.62% proof)
 476!28-1 is prime! (0.0173s+0.0039s) (digits:40)
 
 Primality testing 508!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 41, base 1+sqrt(41)
 Running N+1 test using discriminant 41, base 2+sqrt(41)
 Calling N+1 BLS with factored part 100.00% and helper 0.71% (302.13% proof)
 508!28-1 is prime! (0.0211s+0.0048s) (digits:43)
 
 Primality testing 520!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N-1 test using base 31
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Running N+1 test using discriminant 43, base 3+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 8.97% (310.34% proof)
 520!28-1 is prime! (0.0206s+0.0019s) (digits:44)
 
 Primality testing 574!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 43
 Running N+1 test using discriminant 59, base 1+sqrt(59)
 Running N+1 test using discriminant 59, base 2+sqrt(59)
 Calling N+1 BLS with factored part 100.00% and helper 9.82% (310.43% proof)
 574!28-1 is prime! (0.0188s+0.0036s) (digits:50)
 
 Primality testing 598!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 59, base 1+sqrt(59)
 Running N+1 test using discriminant 59, base 2+sqrt(59)
 Calling N+1 BLS with factored part 100.00% and helper 0.58% (301.17% proof)
 598!28-1 is prime! (0.0240s+0.0028s) (digits:52)
 
 Primality testing 618!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 67
 Running N+1 test using discriminant 73, base 1+sqrt(73)
 Running N+1 test using discriminant 73, base 2+sqrt(73)
 Calling N+1 BLS with factored part 100.00% and helper 0.56% (300.56% proof)
 618!28-1 is prime! (0.0202s+0.0043s) (digits:54)
 
 Primality testing 688!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N-1 test using base 47
 Running N+1 test using discriminant 71, base 2+sqrt(71)
 Running N+1 test using discriminant 71, base 3+sqrt(71)
 Calling N+1 BLS with factored part 100.00% and helper 5.97% (305.97% proof)
 688!28-1 is prime! (0.0276s+0.0023s) (digits:61)
 
 Primality testing 700!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 31
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 0.49% (301.48% proof)
 700!28-1 is prime! (0.0152s+0.0034s) (digits:62)
 
 Primality testing 710!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 83, base 1+sqrt(83)
 Running N+1 test using discriminant 83, base 2+sqrt(83)
 Calling N+1 BLS with factored part 100.00% and helper 1.44% (301.44% proof)
 710!28-1 is prime! (0.0269s+0.0023s) (digits:63)
 
 Primality testing 714!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 53
 Running N+1 test using discriminant 61, base 1+sqrt(61)
 Running N+1 test using discriminant 61, base 2+sqrt(61)
 Calling N+1 BLS with factored part 100.00% and helper 3.33% (303.81% proof)
 714!28-1 is prime! (0.0161s+0.0036s) (digits:64)
 
 Primality testing 752!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 67
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 4.50% (304.50% proof)
 752!28-1 is prime! (0.0213s+0.0022s) (digits:67)
 
 Primality testing 758!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 37, base 1+sqrt(37)
 Running N+1 test using discriminant 37, base 2+sqrt(37)
 Calling N+1 BLS with factored part 100.00% and helper 5.80% (306.25% proof)
 758!28-1 is prime! (0.0240s+0.0037s) (digits:68)
 
 Primality testing 804!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 43, base 1+sqrt(43)
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 0.42% (300.83% proof)
 804!28-1 is prime! (0.0209s+0.0024s) (digits:73)
 
 Primality testing 840!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 41
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 0.40% (301.20% proof)
 840!28-1 is prime! (0.0186s+0.0020s) (digits:76)
 
 Primality testing 846!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 41
 Running N+1 test using discriminant 53, base 1+sqrt(53)
 Running N+1 test using discriminant 53, base 2+sqrt(53)
 Calling N+1 BLS with factored part 100.00% and helper 0.39% (301.18% proof)
 846!28-1 is prime! (0.0253s+0.0021s) (digits:77)
 
 Primality testing 850!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 37, base 1+sqrt(37)
 Running N+1 test using discriminant 37, base 2+sqrt(37)
 Calling N+1 BLS with factored part 100.00% and helper 0.39% (300.39% proof)
 850!28-1 is prime! (0.0242s+0.0016s) (digits:78)
 
 Primality testing 906!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 37
 Running N+1 test using discriminant 59, base 1+sqrt(59)
 Running N+1 test using discriminant 59, base 2+sqrt(59)
 Calling N+1 BLS with factored part 100.00% and helper 0.36% (301.09% proof)
 906!28-1 is prime! (0.0217s+0.0020s) (digits:84)
 
 Primality testing 950!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 43, base 2+sqrt(43)
 Running N+1 test using discriminant 43, base 3+sqrt(43)
 Calling N+1 BLS with factored part 100.00% and helper 3.79% (304.48% proof)
 950!28-1 is prime! (0.0215s+0.0027s) (digits:88)
 
 Primality testing 1012!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 59
 Running N+1 test using discriminant 73, base 1+sqrt(73)
 Running N+1 test using discriminant 73, base 2+sqrt(73)
 Calling N+1 BLS with factored part 100.00% and helper 0.32% (300.96% proof)
 1012!28-1 is prime! (0.0247s+0.0025s) (digits:95)
 
 Primality testing 1074!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 59
 Running N+1 test using discriminant 79, base 1+sqrt(79)
 Running N+1 test using discriminant 79, base 2+sqrt(79)
 Calling N+1 BLS with factored part 100.00% and helper 5.36% (305.95% proof)
 1074!28-1 is prime! (0.0334s+0.0032s) (digits:102)
 
 Primality testing 1188!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 107, base 1+sqrt(107)
 Running N+1 test using discriminant 107, base 2+sqrt(107)
 Calling N+1 BLS with factored part 100.00% and helper 0.27% (300.80% proof)
 1188!28-1 is prime! (0.0304s+0.0022s) (digits:114)
 
 Primality testing 1498!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 109
 Running N+1 test using discriminant 149, base 1+sqrt(149)
 Running N+1 test using discriminant 149, base 2+sqrt(149)
 Calling N+1 BLS with factored part 100.00% and helper 2.03% (302.64% proof)
 1498!28-1 is prime! (0.0311s+0.0026s) (digits:149)
 
 Primality testing 1720!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 109
 Running N+1 test using discriminant 137, base 1+sqrt(137)
 Running N+1 test using discriminant 137, base 2+sqrt(137)
 Calling N+1 BLS with factored part 100.00% and helper 0.17% (300.35% proof)
 1720!28-1 is prime! (0.0378s+0.0024s) (digits:174)
 
 Primality testing 1914!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 79
 Running N+1 test using discriminant 139, base 1+sqrt(139)
 Running N+1 test using discriminant 139, base 2+sqrt(139)
 Calling N+1 BLS with factored part 100.00% and helper 2.45% (302.91% proof)
 1914!28-1 is prime! (0.0755s+0.0060s) (digits:197)
 
 Primality testing 2022!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 137
 Running N+1 test using discriminant 167, base 1+sqrt(167)
 Running N+1 test using discriminant 167, base 2+sqrt(167)
 Calling N+1 BLS with factored part 100.00% and helper 0.14% (300.43% proof)
 2022!28-1 is prime! (0.0578s+0.0070s) (digits:210)
 
 Primality testing 2034!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 89
 Running N+1 test using discriminant 103, base 1+sqrt(103)
 Running N+1 test using discriminant 103, base 2+sqrt(103)
 Calling N+1 BLS with factored part 100.00% and helper 0.14% (300.14% proof)
 2034!28-1 is prime! (0.0777s+0.0039s) (digits:211)
 
 Primality testing 2482!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 103, base 1+sqrt(103)
 Running N+1 test using discriminant 103, base 2+sqrt(103)
 Calling N+1 BLS with factored part 100.00% and helper 1.25% (301.48% proof)
 2482!28-1 is prime! (0.0771s+0.0037s) (digits:265)
 
 Primality testing 2546!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 127, base 2+sqrt(127)
 Running N+1 test using discriminant 127, base 3+sqrt(127)
 Calling N+1 BLS with factored part 100.00% and helper 1.11% (301.22% proof)
 2546!28-1 is prime! (0.0826s+0.0029s) (digits:272)
 
 Primality testing 2600!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 127
 Running N+1 test using discriminant 137, base 1+sqrt(137)
 Running N+1 test using discriminant 137, base 2+sqrt(137)
 Calling N+1 BLS with factored part 100.00% and helper 0.11% (300.22% proof)
 2600!28-1 is prime! (0.0653s+0.0030s) (digits:279)
 
 Primality testing 2704!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 173, base 1+sqrt(173)
 Running N+1 test using discriminant 173, base 2+sqrt(173)
 Calling N+1 BLS with factored part 100.00% and helper 0.31% (300.52% proof)
 2704!28-1 is prime! (0.0639s+0.0073s) (digits:292)
 
 Primality testing 2922!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 157
 Running N+1 test using discriminant 167, base 1+sqrt(167)
 Running N+1 test using discriminant 167, base 2+sqrt(167)
 Calling N+1 BLS with factored part 100.00% and helper 0.76% (300.85% proof)
 2922!28-1 is prime! (0.0709s+0.0017s) (digits:319)
 
 Primality testing 3124!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N-1 test using base 197
 Running N+1 test using discriminant 229, base 1+sqrt(229)
 Running N+1 test using discriminant 229, base 2+sqrt(229)
 Calling N+1 BLS with factored part 100.00% and helper 0.26% (300.44% proof)
 3124!28-1 is prime! (0.0801s+0.0069s) (digits:344)
 
 Primality testing 3208!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 157, base 1+sqrt(157)
 Running N+1 test using discriminant 157, base 2+sqrt(157)
 Calling N+1 BLS with factored part 100.00% and helper 1.02% (301.11% proof)
 3208!28-1 is prime! (0.0638s+0.0015s) (digits:354)
 
 Primality testing 3300!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 179
 Running N+1 test using discriminant 193, base 1+sqrt(193)
 Running N+1 test using discriminant 193, base 2+sqrt(193)
 Calling N+1 BLS with factored part 100.00% and helper 0.08% (300.25% proof)
 3300!28-1 is prime! (0.0812s+0.0022s) (digits:366)
 
 Primality testing 3330!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 197, base 1+sqrt(197)
 Running N+1 test using discriminant 197, base 2+sqrt(197)
 Calling N+1 BLS with factored part 100.00% and helper 0.73% (300.73% proof)
 3330!28-1 is prime! (0.0905s+0.0026s) (digits:369)
 
 Primality testing 3488!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 199
 Running N+1 test using discriminant 227, base 1+sqrt(227)
 Running N+1 test using discriminant 227, base 2+sqrt(227)
 Calling N+1 BLS with factored part 100.00% and helper 0.77% (300.85% proof)
 3488!28-1 is prime! (0.1078s+0.0021s) (digits:390)
 
 Primality testing 3818!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 223, base 1+sqrt(223)
 Running N+1 test using discriminant 223, base 2+sqrt(223)
 Calling N+1 BLS with factored part 100.00% and helper 1.26% (301.40% proof)
 3818!28-1 is prime! (0.1213s+0.0020s) (digits:432)
 
 Primality testing 4212!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 179, base 1+sqrt(179)
 Running N+1 test using discriminant 179, base 3+sqrt(179)
 Calling N+1 BLS with factored part 100.00% and helper 0.06% (300.19% proof)
 4212!28-1 is prime! (0.1131s+0.0025s) (digits:482)
 
 Primality testing 4636!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N-1 test using base 199
 Running N+1 test using discriminant 257, base 1+sqrt(257)
 Running N+1 test using discriminant 257, base 2+sqrt(257)
 Calling N+1 BLS with factored part 100.00% and helper 0.17% (300.17% proof)
 4636!28-1 is prime! (0.1545s+0.0080s) (digits:538)
 
 Primality testing 4718!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 347
 Running N+1 test using discriminant 353, base 1+sqrt(353)
 Running N+1 test using discriminant 353, base 2+sqrt(353)
 Calling N+1 BLS with factored part 100.00% and helper 0.05% (300.16% proof)
 4718!28-1 is prime! (0.1295s+0.0098s) (digits:548)
 
 Primality testing 4820!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 223, base 1+sqrt(223)
 Running N+1 test using discriminant 223, base 2+sqrt(223)
 Calling N+1 BLS with factored part 100.00% and helper 0.16% (300.21% proof)
 4820!28-1 is prime! (0.1524s+0.0053s) (digits:562)
 
 Primality testing 4914!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 367
 Running N+1 test using discriminant 379, base 1+sqrt(379)
 Running N+1 test using discriminant 379, base 2+sqrt(379)
 Calling N+1 BLS with factored part 100.00% and helper 0.05% (300.10% proof)
 4914!28-1 is prime! (0.1084s+0.0061s) (digits:574)
 
 Primality testing 4974!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 229
 Running N+1 test using discriminant 263, base 1+sqrt(263)
 Running N+1 test using discriminant 263, base 2+sqrt(263)
 Calling N+1 BLS with factored part 100.00% and helper 0.05% (300.10% proof)
 4974!28-1 is prime! (0.1755s+0.0044s) (digits:582)
 
 Primality testing 5628!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 227
 Running N+1 test using discriminant 283, base 1+sqrt(283)
 Running N+1 test using discriminant 283, base 2+sqrt(283)
 Calling N+1 BLS with factored part 100.00% and helper 0.05% (300.05% proof)
 5628!28-1 is prime! (0.0961s+0.0027s) (digits:669)
 
 Primality testing 5794!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 239
 Running N+1 test using discriminant 383, base 1+sqrt(383)
 Running N+1 test using discriminant 383, base 2+sqrt(383)
 Calling N+1 BLS with factored part 100.00% and helper 0.04% (300.09% proof)
 5794!28-1 is prime! (0.2362s+0.0018s) (digits:691)
 
 Primality testing 5886!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 263
 Running N+1 test using discriminant 277, base 1+sqrt(277)
 Running N+1 test using discriminant 277, base 2+sqrt(277)
 Calling N+1 BLS with factored part 100.00% and helper 0.04% (300.04% proof)
 5886!28-1 is prime! (0.2488s+0.0018s) (digits:704)
 
 Primality testing 6990!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 271
 Running N+1 test using discriminant 347, base 1+sqrt(347)
 Running N+1 test using discriminant 347, base 2+sqrt(347)
 Calling N+1 BLS with factored part 100.00% and helper 0.35% (300.42% proof)
 6990!28-1 is prime! (0.3977s+0.0021s) (digits:854)
 
 Primality testing 7240!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N-1 test using base 311
 Running N+1 test using discriminant 353, base 1+sqrt(353)
 Running N+1 test using discriminant 353, base 2+sqrt(353)
 Calling N+1 BLS with factored part 100.00% and helper 0.10% (300.10% proof)
 7240!28-1 is prime! (0.2935s+0.0036s) (digits:888)
 
 Primality testing 7312!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 307
 Running N+1 test using discriminant 349, base 1+sqrt(349)
 Running N+1 test using discriminant 349, base 2+sqrt(349)
 Calling N+1 BLS with factored part 100.00% and helper 0.03% (300.03% proof)
 7312!28-1 is prime! (0.2931s+0.0024s) (digits:898)
 
 Primality testing 7416!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 379, base 2+sqrt(379)
 Running N+1 test using discriminant 379, base 3+sqrt(379)
 Calling N+1 BLS with factored part 100.00% and helper 0.30% (300.40% proof)
 7416!28-1 is prime! (0.2921s+0.0026s) (digits:912)
 
 Primality testing 8130!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 331
 Running N+1 test using discriminant 359, base 1+sqrt(359)
 Running N+1 test using discriminant 359, base 2+sqrt(359)
 Calling N+1 BLS with factored part 100.00% and helper 0.65% (300.74% proof)
 8130!28-1 is prime! (0.3860s+0.0022s) (digits:1012)
 
 Primality testing 8234!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 349, base 1+sqrt(349)
 Running N+1 test using discriminant 349, base 2+sqrt(349)
 Calling N+1 BLS with factored part 100.00% and helper 0.26% (300.35% proof)
 8234!28-1 is prime! (0.4938s+0.0029s) (digits:1026)
 
 Primality testing 9252!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 389, base 1+sqrt(389)
 Running N+1 test using discriminant 389, base 3+sqrt(389)
 Calling N+1 BLS with factored part 100.00% and helper 0.03% (300.03% proof)
 9252!28-1 is prime! (0.3995s+0.0018s) (digits:1170)
 
 Primality testing 10948!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 397
 Running N+1 test using discriminant 419, base 1+sqrt(419)
 Running N+1 test using discriminant 419, base 2+sqrt(419)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.02% proof)
 10948!28-1 is prime! (0.3603s+0.0028s) (digits:1412)
 
 Primality testing 11104!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 563, base 1+sqrt(563)
 Running N+1 test using discriminant 563, base 2+sqrt(563)
 Calling N+1 BLS with factored part 100.00% and helper 0.06% (300.08% proof)
 11104!28-1 is prime! (0.6114s+0.0036s) (digits:1435)
 
 Primality testing 11804!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 521
 Running N+1 test using discriminant 563, base 1+sqrt(563)
 Running N+1 test using discriminant 563, base 2+sqrt(563)
 Calling N+1 BLS with factored part 100.00% and helper 0.45% (300.49% proof)
 11804!28-1 is prime! (0.6766s+0.0059s) (digits:1536)
 
 Primality testing 14126!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1039
 Running N+1 test using discriminant 1051, base 1+sqrt(1051)
 Running N+1 test using discriminant 1051, base 2+sqrt(1051)
 Calling N+1 BLS with factored part 100.00% and helper 0.18% (300.21% proof)
 14126!28-1 is prime! (0.8667s+0.0018s) (digits:1877)
 
 Primality testing 15186!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 709
 Running N+1 test using discriminant 863, base 1+sqrt(863)
 Running N+1 test using discriminant 863, base 2+sqrt(863)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.04% proof)
 15186!28-1 is prime! (1.4826s+0.0017s) (digits:2035)
 
 Primality testing 18898!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 827
 Running N+1 test using discriminant 929, base 1+sqrt(929)
 Running N+1 test using discriminant 929, base 2+sqrt(929)
 Calling N+1 BLS with factored part 100.00% and helper 0.16% (300.19% proof)
 18898!28-1 is prime! (2.9983s+0.0018s) (digits:2596)
 
 Primality testing 20036!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 857
 Running N+1 test using discriminant 983, base 1+sqrt(983)
 Running N+1 test using discriminant 983, base 2+sqrt(983)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.03% proof)
 20036!28-1 is prime! (2.4274s+0.0018s) (digits:2770)
 
 Primality testing 20038!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 859, base 1+sqrt(859)
 Running N+1 test using discriminant 859, base 2+sqrt(859)
 Calling N+1 BLS with factored part 100.00% and helper 0.29% (300.32% proof)
 20038!28-1 is prime! (3.1428s+0.0017s) (digits:2770)
 
 Primality testing 21284!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 937, base 1+sqrt(937)
 Running N+1 test using discriminant 937, base 2+sqrt(937)
 Calling N+1 BLS with factored part 100.00% and helper 0.03% (300.06% proof)
 21284!28-1 is prime! (2.6784s+0.0018s) (digits:2963)
 
 Primality testing 21786!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 853
 Running N+1 test using discriminant 937, base 1+sqrt(937)
 Running N+1 test using discriminant 937, base 2+sqrt(937)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 21786!28-1 is prime! (3.7362s+0.0020s) (digits:3040)
 
 Primality testing 23144!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1109
 Running N+1 test using discriminant 1151, base 1+sqrt(1151)
 Running N+1 test using discriminant 1151, base 2+sqrt(1151)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 23144!28-1 is prime! (4.2765s+0.0022s) (digits:3251)
 
 Primality testing 25324!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 1103, base 1+sqrt(1103)
 Running N+1 test using discriminant 1103, base 3+sqrt(1103)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 25324!28-1 is prime! (3.9227s+0.0020s) (digits:3593)
 
 Primality testing 29762!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 1163, base 2+sqrt(1163)
 Running N+1 test using discriminant 1163, base 3+sqrt(1163)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 29762!28-1 is prime! (8.3460s+0.0022s) (digits:4296)
 
 Primality testing 32048!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1361
 Running N+1 test using discriminant 1459, base 1+sqrt(1459)
 Running N+1 test using discriminant 1459, base 2+sqrt(1459)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 32048!28-1 is prime! (6.8630s+0.0022s) (digits:4663)
 
 Primality testing 32716!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 1439, base 1+sqrt(1439)
 Running N+1 test using discriminant 1439, base 3+sqrt(1439)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 32716!28-1 is prime! (6.9666s+0.0024s) (digits:4771)
 
 Primality testing 32728!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 1373, base 2+sqrt(1373)
 Running N+1 test using discriminant 1373, base 3+sqrt(1373)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.01% proof)
 32728!28-1 is prime! (6.9623s+0.0024s) (digits:4772)
 
 Primality testing 34318!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 1321, base 1+sqrt(1321)
 Running N+1 test using discriminant 1321, base 2+sqrt(1321)
 Calling N+1 BLS with factored part 100.00% and helper 0.02% (300.04% proof)
 34318!28-1 is prime! (13.5565s+0.0023s) (digits:5029)
 
 Primality testing 36524!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1663
 Running N+1 test using discriminant 1733, base 1+sqrt(1733)
 Running N+1 test using discriminant 1733, base 2+sqrt(1733)
 Calling N+1 BLS with factored part 100.00% and helper 0.01% (300.02% proof)
 36524!28-1 is prime! (10.6419s+0.0028s) (digits:5388)
 
 Primality testing 40824!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 1459
 Running N+1 test using discriminant 1481, base 1+sqrt(1481)
 Running N+1 test using discriminant 1481, base 2+sqrt(1481)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.01% proof)
 40824!28-1 is prime! (7.1348s+0.0029s) (digits:6092)
 
 Primality testing 53048!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 2341
 Running N+1 test using discriminant 2467, base 1+sqrt(2467)
 Running N+1 test using discriminant 2467, base 2+sqrt(2467)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.00% proof)
 53048!28-1 is prime! (25.0774s+0.0039s) (digits:8131)
 
 Primality testing 58508!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 2467
 Running N+1 test using discriminant 2579, base 1+sqrt(2579)
 Running N+1 test using discriminant 2579, base 2+sqrt(2579)
 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.01% proof)
 58508!28-1 is prime! (24.9554s+0.0035s) (digits:9057)
 
 Primality testing 63810!28-1 [N-1/N+1, Brillhart-Lehmer-Selfridge]
 Running N-1 test using base 7
 Running N+1 test using discriminant 2549, base 1+sqrt(2549)
 Running N+1 test using discriminant 2549, base 2+sqrt(2549)
 Calling N+1 BLS with factored part 100.00% and helper 0.04% (300.05% proof)
 63810!28-1 is prime! (43.5836s+0.0049s) (digits:9963)