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
8331413
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
666513041929.3old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-14Justine V.878FADC923F0EAF11531338953
Verified
PRP without proof (not generated)
2020-04-24arnaud878FADC923F0EAF11598174353
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-24arnaudC-PRPM8331413/666513041 : 878FADC923F0EAF1
2018-10-14Justine V.C-PRPM8331413/666513041 : 878FADC923F0EAF1