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
5039347
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
80629553826.3old
32442106542731341.62008-09-30 21:42:52
46737452292271490012172272.02023-05-12 01:38:18
48559619906674736185032272.02025-02-17 06:03:43
P-1 factors
DateFactorsB1B2
2025-02-174855961990667473618503
52000007513644600
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)
2017-11-22kkmrkkblmbrbk2A4C21BB9117F9422252953953
Factored
PRP without proof (not generated)
2018-04-28storm55102A4C21BB9117F9422135204553
Factored
Certified Good
2023-05-17Perig2A4C21BB9117F9423171570853
Verified
Certified Good
2025-03-03cramsey872A4C21BB9117F9424417347453
History
DateUserTypeResult
2025-03-03Dr. DwayneCERT
Proof certified good
2025-03-03cramsey87C-PRPM5039347/80629553/3244210654273/4673745229227149001217/4855961990667473618503 : 2A4C21BB9117F942
Proof Certified Good

Proof Power: 7

2025-02-17Sid & AndyF-PM1Factor: 4855961990667473618503 / B1=5200000, B2=7513644600
2025-01-08Sid & AndyNFno factor TF: 68-70
2024-05-11cramsey87NF-PM1B1=500000, B2=311039190
2023-06-07USAFSSNF-PM1B1=256000, B2=143399760
2023-05-17mattashiiCERT
Proof certified good
2023-05-17PerigC-PRPM5039347/80629553/3244210654273/4673745229227149001217 : 2A4C21BB9117F942
Proof Certified Good

Proof Power: 7

2023-05-12This -Anonymous-F-ECMFactor: 4673745229227149001217
2018-04-28storm5510C-PRPM5039347/80629553/3244210654273 : 2A4C21BB9117F942
2017-11-22kkmrkkblmbrbkC-PRPM5039347/80629553/3244210654273 : 2A4C21BB9117F942
2008-09-30markrFFactor: 3244210654273