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
5039207
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
40313657825.3old
2635303692731237.92008-09-08 00:23:10
36694759798861919933104092581.62023-05-12 01:38:17
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
Factored
PRP without proof (not generated)
2017-11-22kkmrkkblmbrbkBC931C97DD01A92C238235553
Factored
PRP without proof (not generated)
2018-04-28storm5510BC931C97DD01A92C283380353
Verified
Certified Good
2023-05-17PerigBC931C97DD01A92C3481728253
History
DateUserTypeResult
2025-02-16Sid & AndyNF-PM1B1=5200000, B2=7562593500
2025-01-08Sid & AndyNFno factor TF: 68-70
2024-05-07cramsey87NF-PM1B1=500000, B2=310748130
2023-06-07USAFSSNF-PM1B1=256000, B2=143399760
2023-05-17curtiscCERT
Proof certified good
2023-05-17PerigC-PRPM5039207/40313657/263530369273/3669475979886191993310409 : BC931C97DD01A92C
Proof Certified Good

Proof Power: 7

2023-05-12This -Anonymous-F-ECMFactor: 3669475979886191993310409
2018-04-28storm5510C-PRPM5039207/40313657/263530369273 : BC931C97DD01A92C
2017-11-22kkmrkkblmbrbkC-PRPM5039207/40313657/263530369273 : BC931C97DD01A92C
2008-09-08Will EdgingtonFFactor: 263530369273