Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
10319509Factored
FactorDigitsBitsDate
66634686772357162935292272.52015-05-14 07:32:30
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0
TF below 2^61 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)2000-12-31Steve SpicerD7D198336DF1C0226195942
Verified (Factored)2003-11-28Marc Getty / Phil FizurD7D198336DF1C0221450187
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-04-01Oliver Kruse0C0F925939F147E6110052853
Verified2021-03-05monsted0C0F925939F147E61192353153
History
DateUserTypeResult
2021-03-05curtiscCERT
PRP Certification
Proof certified good
2021-03-05monstedC-PRP
M10319509/6663468677235716293529 : 0C0F925939F147E6
PRP proof power = 8
PRP: Verified
Proof certified good
2020-04-01Oliver KruseC-PRP
M10319509/6663468677235716293529 : 0C0F925939F147E6
PRP: Verified
PRP without proof (not generated)
2015-05-14Sid & AndyF-ECM
Factor: 6663468677235716293529 / (ECM curve 1, B1=50000, B2=5000000)
2015-04-29ThaNF
no factor from 2^65 to 2^66
2013-09-25NesowaNF
no factor from 2^64 to 2^65