Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
5091841
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
30551047824.9old
30836800873041238772164732581.42025-01-30 02:23:13
P-1 factors
DateFactorsB1B2
2025-01-303083680087304123877216473
36000009023744730
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)
2017-09-20kkmrkkblmbrbk659779E3F13955011013
Factored
PRP without proof (not generated)
2018-05-06storm5510659779E3F13955011156414713
Verified
Certified Good
2025-02-06-anonymous-041BCBFE0631C8A22189570153
History
DateUserTypeResult
2025-02-06Dennis OkonCERT
Proof certified good
2025-02-06-anonymous-C-PRPM5091841/30551047/3083680087304123877216473 : 041BCBFE0631C8A2
Proof Certified Good

Proof Power: 7

2025-01-30Sid & AndyF-PM1Factor: 3083680087304123877216473 / B1=3600000, B2=9023744730
2025-01-23Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-06storm5510C-PRPM5091841/30551047 : 659779E3F1395501
2017-09-20kkmrkkblmbrbkC-PRPM5091841/30551047 : 659779E3F1395501