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

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MnDetails
5346989
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 270
TF target 266
Factored
FactorDigitsBitsDate
42775913825.4old
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-11-27storm5510A956C82990362D87134157553
Verified
PRP without proof (not generated)
2018-02-13kkmrkkblmbrbkA956C82990362D871507515253
History
DateUserTypeResult
2025-04-17Sid & AndyNFno factor TF: 68-70
2025-04-01Sid & AndyNF-PM1B1=3400000, B2=10433713290
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-02-13kkmrkkblmbrbkC-PRPM5346989/42775913 : A956C82990362D87
2017-11-27storm5510C-PRPM5346989/42775913 : A956C82990362D87