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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MnDetails
5106559
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
245114833927.9old
663852671929.32008-09-08 01:26:52
24205089671031.22008-09-08 01:26:52
3757190513279031548.42014-04-03 10:52:33
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)
2017-09-20kkmrkkblmbrbk29D06F374A9B72F94013
Verified
PRP without proof (not generated)
2018-05-07storm551029D06F374A9B72F94161482913
History
DateUserTypeResult
2025-02-25Sid & AndyNF-PM1B1=3600000, B2=9023744730
2025-01-28Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-07storm5510C-PRPM5106559/245114833/663852671/2420508967/375719051327903 : 29D06F374A9B72F9
2017-09-20kkmrkkblmbrbkC-PRPM5106559/2420508967/245114833/375719051327903/663852671 : 29D06F374A9B72F9
2014-04-03TJAOIFFactor: 375719051327903
2008-09-08Will EdgingtonFFactor: 2420508967
2008-09-08Will EdgingtonFFactor: 663852671