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

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MnDetails
5083237
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
221934127431134.4old
2044986245111237.62008-09-08 01:26:05
16696908573911340.62013-10-04 16:56:48
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)
2017-09-20kkmrkkblmbrbkCA5D222DEA8593D13013
Verified
PRP without proof (not generated)
2018-05-02storm5510CA5D222DEA8593D13392605713
History
DateUserTypeResult
2025-01-21Sid & AndyNFno factor TF: 68-70
2025-01-12Sid & AndyNF-PM1B1=3600000, B2=9117768660
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-02storm5510C-PRPM5083237/22193412743/204498624511/1669690857391 : CA5D222DEA8593D1
2017-09-20kkmrkkblmbrbkC-PRPM5083237/1669690857391/204498624511/22193412743 : CA5D222DEA8593D1
2013-10-04TJAOIFFactor: 1669690857391
2008-09-08Will EdgingtonFFactor: 204498624511