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
8308973
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
80925242533511342.9old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-04ATH447A14898AAED15E1689962453
Verified
PRP without proof (not generated)
2020-04-18oodaira447A14898AAED15E1651000553
History
DateUserTypeResult
2024-04-10Stef42NF-PM1B1=3000000, B2=6084299130
2020-04-18oodairaC-PRPM8308973/8092524253351 : 447A14898AAED15E
2018-10-04ATHC-PRPM8308973/8092524253351 : 447A14898AAED15E