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
8331317
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
77851757780947658391962.8old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-13Oliver KruseEDB6DEF671AAFA551179172853
Verified
PRP without proof (not generated)
2020-04-22Igvan28EDB6DEF671AAFA551169008153
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-22Igvan28C-PRP
M8331317/7785175778094765839 : EDB6DEF671AAFA55
2018-10-13Oliver KruseC-PRP
M8331317/7785175778094765839 : EDB6DEF671AAFA55
1999-03-26Robert WalkerFFactor: 7785175778094765839
1998-09-20-anonymous-NFno factor TF: 1-62