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#12 |
Nov 2003
23·163 Posts |
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1239*2^815957-1 (245631 digits)
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#13 |
"Dave"
Sep 2005
UK
23×347 Posts |
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4067*2^568776-1 (171223 digits)
4063*2^569491-1 (171438 digits) |
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#14 |
Nov 2003
23·163 Posts |
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1253*2^817490-1 (246093 digits)
1137*2^817593-1 (246124 digits) 1085*2^817644-1 (246139 digits) |
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#15 |
"Dave"
Sep 2005
UK
23×347 Posts |
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2185*2^764875-1 (230254 digits)
1405*2^765505-1 (230444 digits) |
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#16 |
"Dave"
Sep 2005
UK
1010110110002 Posts |
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2093*2^765710-1 (230505 digits)
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#17 |
"Dave"
Sep 2005
UK
277610 Posts |
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9th Drive:
29445*2^627251-1 |
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#18 |
"Dave"
Sep 2005
UK
23×347 Posts |
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9th Drive:
14895*2^627529-1 (188910 digits) |
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#19 |
"Dave"
Sep 2005
UK
1010110110002 Posts |
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4039*2^571923-1 (172170 digits)
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#20 |
May 2005
22·11·37 Posts |
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59*2^3408416-1 (1026038 digits) so far it's the smallest known megaprime
![]() Verification using PFGW: Code:
Primality testing 59*2^3408416-1 [N-1/N+1, Brillhart-Lehmer-Selfridge] Running N-1 test using base 3 Running N+1 test using discriminant 7, base 6+sqrt(7) Running N+1 test using discriminant 7, base 10+sqrt(7) Special modular reduction using FFT length 224K on 59*2^3408416-1 Calling N+1 BLS with factored part 100.00% and helper 0.00% (300.00% proof) 59*2^3408416-1 is prime! (110852.6366s+0.0192s) |
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#21 | |
"Curtis"
Feb 2005
Riverside, CA
29·11 Posts |
![]() Quote:
![]() Nice find, sir. -Curtis |
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#22 | |
Dec 2002
22×3×37 Posts |
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