Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
5440819
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 266
Factored
FactorDigitsBitsDate
228514399927.8old
502487056377771445.52008-09-08 01:35:26
738488824531216789882803604812995.92025-04-20 21:55:03
P-1 factors
DateFactorsB1B2
2025-04-2073848882453121678988280360481
36000008759159640
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-12-01storm5510B63B635DD3C0240C2374100853
Factored
PRP without proof (not generated)
2018-03-11kkmrkkblmbrbkB63B635DD3C0240C2230600553
Verified
Certified Good
2025-04-27Peter_JakubB63B635DD3C0240C3174313653
History
DateUserTypeResult
2025-04-27heiopeiCERT
Proof certified good
2025-04-27Peter_JakubC-PRPM5440819/228514399/50248705637777/73848882453121678988280360481 : B63B635DD3C0240C
Proof Certified Good

Proof Power: 7

2025-04-20Sid & AndyF-PM1Factor: 73848882453121678988280360481 / B1=3600000, B2=8759159640
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-03-11kkmrkkblmbrbkC-PRPM5440819/228514399/50248705637777 : B63B635DD3C0240C
2017-12-01storm5510C-PRPM5440819/228514399/50248705637777 : B63B635DD3C0240C
2008-09-08Will EdgingtonFFactor: 50248705637777