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
8391679
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
811643192891136.2old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-21storm551000FF30344592449B1671388253
Verified
PRP without proof (not generated)
2020-05-16marssystems00FF30344592449B1632858853
History
DateUserTypeResult
2024-05-11Stef42NF-PM1B1=1025000, B2=1053971100
2020-05-16marssystemsC-PRPM8391679/81164319289 : 00FF30344592449B
2018-10-21storm5510C-PRPM8391679/81164319289 : 00FF30344592449B