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

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MnDetails
2322431
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
1110223087165372123992166.62013-10-28 07:31:12
ECM
DigitsB1Curves
2550000280 / 280
30250000122 / 640
Estimated T-Level: 26.0
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredKevin Jaget36E176F6B50986670Linux 32-bit,Prime95,v14,(aka WQ2)
Factored1999-07-26paul fabricius36E176F6B5098667977025Windows,Prime95,v17,(aka WT1)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-11Oliver KruseEE295B054B0BB78F1013
Verified
PRP without proof (not generated)
2017-11-23storm5510EE295B054B0BB78F1132974213
History
DateUserTypeResult
2021-04-26ViliamFNF-PM1B1=5000000, B2=505000000
2018-03-05alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2322431/111022308716537212399 : EE295B054B0BB78F
2017-10-11Oliver KruseC-PRPM2322431/111022308716537212399 : EE295B054B0BB78F
2013-10-28Andy InclineF-ECMFactor: 111022308716537212399
2012-05-26Sebastian HornbostelNFno factor TF: 61-62
2010-02-19BudNF-PM1B1=500000, B2=10000000, E=12
2009-01-11Sturle SundeNFno factor TF: 60-61
2003-09-14-anonymous-NF-PM1B1=2048, B2=204800
1999-07-26-anonymous-C-LL36E176F6B5098667