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
7806493
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
142390432331133.7old
357225119691135.12008-09-08 03:39:40
2227031795274071547.72008-09-30 23:49:16
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2018-05-13storm5510E234C09AF168842A3151060653
Verified
PRP without proof (not generated)
2019-10-13noknoE234C09AF168842A3344496453
History
DateUserTypeResult
2024-02-21Stef42NF-PM1B1=2500000, B2=5550040860
2019-10-13noknoC-PRPM7806493/14239043233/35722511969/222703179527407 : E234C09AF168842A
2018-05-13storm5510C-PRPM7806493/14239043233/35722511969/222703179527407 : E234C09AF168842A
2008-09-30markrFFactor: 222703179527407
2008-09-08Will EdgingtonFFactor: 35722511969