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

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MnDetails
5033957
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
604074841929.2old
56783034971032.42008-09-08 00:22:36
22245459907709691651.02014-06-13 11:38:05
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)
2017-11-22kkmrkkblmbrbk85128F7C98DFF29C3374725753
Verified
PRP without proof (not generated)
2018-04-25storm551085128F7C98DFF29C3393913053
History
DateUserTypeResult
2025-02-03Sid & AndyNF-PM1B1=5200000, B2=6532565130
2025-01-06Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-04-25storm5510C-PRPM5033957/604074841/5678303497/2224545990770969 : 85128F7C98DFF29C
2017-11-22kkmrkkblmbrbkC-PRPM5033957/604074841/5678303497/2224545990770969 : 85128F7C98DFF29C
2014-06-13TJAOIFFactor: 2224545990770969
2008-09-08Will EdgingtonFFactor: 5678303497