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
8319943
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
133119089927.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-11Luigi Morelli7E187D1C20E84C231600195953
Verified
PRP without proof (not generated)
2020-04-20daveward20057E187D1C20E84C231116235053
History
DateUserTypeResult
2024-06-10Stef42NF-PM1B1=1375000, B2=2725257990
2020-04-20daveward2005C-PRPM8319943/133119089 : 7E187D1C20E84C23
2018-10-11Luigi MorelliC-PRPM8319943/133119089 : 7E187D1C20E84C23