Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
16834733Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
428275607531135.3old
562293297802099671755.62015-02-05 12:21:29
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2024-09-06ThomRuley73FB7261E58BBF6A2779301453
History
DateUserTypeResult
2024-09-06John AireyCERT
PRP Certification
Proof certified good
2024-09-06ThomRuleyC-PRP
M16834733/42827560753/56229329780209967 : 73FB7261E58BBF6A
PRP proof power = 8
PRP: Verified
Proof certified good
2024-05-07nordiNF-PM1
B1=500000, B2=254324994
2024-02-25nordiNF-PM1
B1=500000
2015-02-05TJAOIF
Factor: 56229329780209967 / TF: 55-56