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
5069243
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
17438195931030.7old
14758898224791340.42008-09-30 21:43:20
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)
2017-09-20kkmrkkblmbrbk1DB90561F1AE2EF42013
Verified
PRP without proof (not generated)
2018-04-29storm55101DB90561F1AE2EF42385090213
History
DateUserTypeResult
2025-02-10Sid & AndyNF-PM1B1=5100000, B2=7366797900
2025-01-17Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-04-29storm5510C-PRPM5069243/1743819593/1475889822479 : 1DB90561F1AE2EF4
2017-09-20kkmrkkblmbrbkC-PRPM5069243/1475889822479/1743819593 : 1DB90561F1AE2EF4
2008-09-30markrFFactor: 1475889822479