Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
7921873
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
174281207927.4old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-06-07storm55103E5AF126B9F31FF01748326053
Verified
PRP without proof (not generated)
2019-11-20marssystems3E5AF126B9F31FF01188773753
History
DateUserTypeResult
2024-02-05Stef42NF-PM1B1=950000, B2=1968826860
2019-11-20marssystemsC-PRPM7921873/174281207 : 3E5AF126B9F31FF0
2018-06-07storm5510C-PRPM7921873/174281207 : 3E5AF126B9F31FF0