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
5079913
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
12191791211030.2old
3377430957191238.32008-09-08 01:26:03
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)
2017-09-20kkmrkkblmbrbk57BBF8B74FDB08382013
Verified
PRP without proof (not generated)
2018-05-01storm551057BBF8B74FDB08382503798713
History
DateUserTypeResult
2025-01-20Sid & AndyFFactors: 1219179121,337743095719 / TF: 68-70
2025-01-06Sid & AndyNF-PM1B1=3600000, B2=8835756930
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-01storm5510C-PRPM5079913/1219179121/337743095719 : 57BBF8B74FDB0838
2017-09-20kkmrkkblmbrbkC-PRPM5079913/1219179121/337743095719 : 57BBF8B74FDB0838
2008-09-08Will EdgingtonFFactor: 337743095719