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
2499941
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
584986194011135.8old
ECM
DigitsB1Curves
2550000181 / 280
Estimated T-Level: 23.2
TF below 2^72 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver KruseC4AE7404E03D74271177350553
Verified
PRP without proof (not generated)
2017-11-30storm5510C4AE7404E03D74271236058353
History
DateUserTypeResult
2023-04-26Stef42NF-PM1B1=20000000, B2=449496997950
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-11-30storm5510C-PRPM2499941/58498619401 : C4AE7404E03D7427
2017-10-14Oliver KruseC-PRPM2499941/58498619401 : C4AE7404E03D7427