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
8331943
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
2406451940562071547.8old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-10-15Oliver KruseC5074501600C370A1807788753
Verified
PRP without proof (not generated)
2020-04-22marssystemsC5074501600C370A1798703353
History
DateUserTypeResult
2024-05-10Stef42NF-PM1B1=1025000, B2=1519818300
2020-04-22marssystemsC-PRPM8331943/240645194056207 : C5074501600C370A
2018-10-15Oliver KruseC-PRPM8331943/240645194056207 : C5074501600C370A