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
7920371
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
63362969825.9old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-06-07storm55108D91D8BE1C3E7E0D1483247353
Verified
PRP without proof (not generated)
2019-11-19Numberwang8D91D8BE1C3E7E0D1436688053
History
DateUserTypeResult
2024-02-05Stef42NF-PM1B1=950000, B2=1968826860
2019-11-19NumberwangC-PRPM7920371/63362969 : 8D91D8BE1C3E7E0D
2018-06-07storm5510C-PRPM7920371/63362969 : 8D91D8BE1C3E7E0D