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
109279
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
32285387771031.6old
131233151111133.62008-07-26 09:17:10
141678641140091443.72008-07-26 09:17:10
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000591 / 1566
Estimated T-Level: 31.9
TF below 2^101 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver Kruse5DDBD7492EAFCE393013
Verified
No proof (small exponent)
2017-10-13kkmrkkblmbrbk5DDBD7492EAFCE3939519513
Verified
No proof (small exponent)
2020-04-17Oliver KruseCD5687DDBB669F8A35006153
Verified
Not Uploaded
2022-04-15LordJuliusCD5687DDBB669F8A39702353
Verified
Certified Good
2022-11-08LordJuliusCD5687DDBB669F8A32495053
History
DateUserTypeResult
2026-02-11Jason LynchNF-PM1B1=423585000, B2=229330377155880
2025-12-16ViliamFNF-PM1B1=100000000, B2=2095666793220
2022-11-08Dry Creek PhotoCERT
Proof certified good
2022-11-08LordJuliusC-PRPM109279/3228538777/13123315111/14167864114009 : CD5687DDBB669F8A
Proof Not Uploaded

Proof Power: 5

2022-05-07LordJuliusNFno factor TF: 62-63
2022-05-07LordJuliusNFno factor TF: 61-62
2022-05-07LordJuliusNFno factor TF: 59-60
2022-05-07LordJuliusNFno factor TF: 60-61
2022-05-07LordJuliusNFno factor TF: 58-59
2022-05-07LordJuliusNFno factor TF: 57-58
2022-04-15LordJuliusC-PRPM109279/3228538777/13123315111/14167864114009 : CD5687DDBB669F8A
Proof Not Uploaded

Proof Power: 5

2020-04-17Oliver KruseC-PRPM109279/3228538777/13123315111/14167864114009 : CD5687DDBB669F8A
2017-10-13kkmrkkblmbrbkC-PRPM109279/3228538777/13123315111/14167864114009 : 5DDBD7492EAFCE39
2017-09-21Oliver KruseC-PRPM109279/3228538777/13123315111/14167864114009 : 5DDBD7492EAFCE39
2017-09-21Oliver KruseC-PRPM109279/3228538777/13123315111/14167864114009 : 5DDBD7492EAFCE39
2016-12-10kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12
2008-07-26J FeitsmaFFactor: 14167864114009
2008-07-26J FeitsmaFFactor: 13123315111