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
5091227
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 270
TF target 265
Factored
FactorDigitsBitsDate
9786560188491239.8old
103041654174232890012063.22016-12-26 12:16:12
466972552054136928927302572685.32025-01-29 00:46:56
P-1 factors
DateFactorsB1B2
2025-01-2946697255205413692892730257
36000008647769130
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)
2017-09-20kkmrkkblmbrbkF8675F93AB955BC92013
Factored
PRP without proof (not generated)
2018-05-06storm5510F8675F93AB955BC92242580413
Verified
Certified Good
2025-02-07pilotpsk2D7ADDBD723E090B3356778953
History
DateUserTypeResult
2025-02-07Team_SchaubCERT
Proof certified good
2025-02-07pilotpskC-PRPM5091227/978656018849/10304165417423289001/46697255205413692892730257 : 2D7ADDBD723E090B
Proof Certified Good

Proof Power: 7

2025-01-29Sid & AndyF-PM1Factor: 46697255205413692892730257 / B1=3600000, B2=8647769130
2025-01-23Sid & AndyNFno factor TF: 68-70
2023-05-11This -Anonymous-NF-PM1B1=50000, B2=1000000
2018-05-06storm5510C-PRPM5091227/978656018849/10304165417423289001 : F8675F93AB955BC9
2017-09-20kkmrkkblmbrbkC-PRPM5091227/10304165417423289001/978656018849 : F8675F93AB955BC9
2016-12-26TJAOIFFactor: 10304165417423289001