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
8330963
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
16661927824.0old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-14Luigi Morelli40F0288F44FCC87C195801553
Verified
PRP without proof (not generated)
2020-04-22marssystems40F0288F44FCC87C1226450553
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-22marssystemsC-PRPM8330963/16661927 : 40F0288F44FCC87C
2018-10-14Luigi MorelliC-PRPM8330963/16661927 : 40F0288F44FCC87C