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
6571693
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
197150791927.6old
18199778028071340.72008-09-08 02:51:01
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-12-28Oliver Kruse34B63337B98633852118924953
Verified
PRP without proof (not generated)
2018-10-26storm551034B63337B98633852637346453
History
DateUserTypeResult
2025-01-23Stef42NF-PM1B1=2296000, B2=5853734040
2023-12-07Stef42NF-PM1B1=109000, B2=124105800
2018-10-26storm5510C-PRPM6571693/197150791/1819977802807 : 34B63337B9863385
2017-12-28Oliver KruseC-PRPM6571693/197150791/1819977802807 : 34B63337B9863385
2008-09-08Will EdgingtonFFactor: 1819977802807