Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:





MnDetails
5105237
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
46968180411032.1old
1564959349991237.22008-09-08 01:26:51
34865092939371341.72008-09-30 21:43:55
57525569804483868971962.32016-07-25 13:37:18
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbk4140AE63E308505C4013
Verified
PRP without proof (not generated)
2018-05-07storm55104140AE63E308505C4425291513
History
DateUserTypeResult
2025-02-23Sid & AndyNF-PM1B1=3600000, B2=9211762560
2025-01-27Sid & AndyFFactors: 4696818041,156495934999 / TF: 68-70
2024-07-30cramsey87NF-PM1B1=300000, B2=104169030
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-07storm5510C-PRPM5105237/4696818041/156495934999/3486509293937/5752556980448386897 : 4140AE63E308505C
2017-09-20kkmrkkblmbrbkC-PRPM5105237/156495934999/3486509293937/4696818041/5752556980448386897 : 4140AE63E308505C
2016-07-25TJAOIFFactor: 5752556980448386897
2008-09-30markrFFactor: 3486509293937
2008-09-08Will EdgingtonFFactor: 156495934999