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
8399569
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
199268608977928311754.1old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-22storm551038C1163CB6F78B201162429253
Verified
PRP without proof (not generated)
2020-05-18Luigi Morelli38C1163CB6F78B201362072753
History
DateUserTypeResult
2024-05-12Stef42NF-PM1B1=1025000, B2=1053971100
2020-05-18Luigi MorelliC-PRPM8399569/19926860897792831 : 38C1163CB6F78B20
2018-10-22storm5510C-PRPM8399569/19926860897792831 : 38C1163CB6F78B20
1998-09-27-anonymous-FFactor: 19926860897792831