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
8333581
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
6934749045116488871859.3old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-13One ManE051CD7E4B75A3F61305749453
Verified
PRP without proof (not generated)
2020-04-24arnaudE051CD7E4B75A3F61122410353
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-24arnaudC-PRP
M8333581/693474904511648887 : E051CD7E4B75A3F6
2018-10-13One ManC-PRP
M8333581/693474904511648887 : E051CD7E4B75A3F6
1998-09-06-anonymous-FFactor: 693474904511648887