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
5445199
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 266
Factored
FactorDigitsBitsDate
52273910411032.3old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-12-01storm55101FABE0EBE34FBFC21111042153
Verified
PRP without proof (not generated)
2018-03-09kkmrkkblmbrbk1FABE0EBE34FBFC21341667453
History
DateUserTypeResult
2025-04-27Sid & AndyNF-PM1B1=3600000, B2=8759159640
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-03-09kkmrkkblmbrbkC-PRPM5445199/5227391041 : 1FABE0EBE34FBFC2
2017-12-01storm5510C-PRPM5445199/5227391041 : 1FABE0EBE34FBFC2