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
5090669
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
122176057926.9old
7168723254673131549.32014-04-28 11:43:11
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)
2017-09-20kkmrkkblmbrbk2A8C04F512323AF02013
Verified
PRP without proof (not generated)
2018-05-03storm55102A8C04F512323AF02231848313
History
DateUserTypeResult
2025-01-27Sid & AndyNF-PM1B1=3600000, B2=8835756930
2025-01-23Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-03storm5510C-PRPM5090669/122176057/716872325467313 : 2A8C04F512323AF0
2017-09-20kkmrkkblmbrbkC-PRPM5090669/122176057/716872325467313 : 2A8C04F512323AF0
2014-04-28TJAOIFFactor: 716872325467313