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

PrimeNet Exponent Status

Exponent Range:





MnDetails
5080169
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
40641353825.3old
5187868582811238.92008-09-08 01:26:03
488825566526699355987432375.42025-01-07 06:11:27
P-1 factors
DateFactorsB1B2
2025-01-0748882556652669935598743
36000008741763030
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbk3C61C65DF1E04C022013
Factored
PRP without proof (not generated)
2018-05-01storm55103C61C65DF1E04C02231626713
Verified
Certified Good
2025-01-15Peter_JakubFEA2949D043F33853142959153
History
DateUserTypeResult
2025-01-20Sid & AndyNFno factor TF: 68-70
2025-01-15George WoltmanCERT
Proof certified good
2025-01-15Peter_JakubC-PRPM5080169/40641353/518786858281/48882556652669935598743 : FEA2949D043F3385
Proof Certified Good

Proof Power: 7

2025-01-07Sid & AndyF-PM1Factor: 48882556652669935598743 / B1=3600000, B2=8741763030
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-01storm5510C-PRPM5080169/40641353/518786858281 : 3C61C65DF1E04C02
2017-09-20kkmrkkblmbrbkC-PRPM5080169/40641353/518786858281 : 3C61C65DF1E04C02
2008-09-08Will EdgingtonFFactor: 518786858281