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
6749521
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 267
Factored
FactorDigitsBitsDate
805082864891136.2old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
PRP without proof (not generated)
2018-01-07Oliver Kruse348BA1D7BD92571D1182496353
Verified
PRP without proof (not generated)
2018-12-09storm5510348BA1D7BD92571D1198508853
History
DateUserTypeResult
2023-12-26Stef42NF-PM1B1=507000, B2=1060788300
2018-12-09storm5510C-PRPM6749521/80508286489 : 348BA1D7BD92571D
2018-01-07Oliver KruseC-PRPM6749521/80508286489 : 348BA1D7BD92571D