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
109049
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
283978862871134.7old
172161112499680171898092373.92010-04-26 02:34:23
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000751 / 1566
Estimated T-Level: 32.4
TF below 2^103 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-22Oliver Kruse294EE582A17605C22013
Verified
No proof (small exponent)
2017-10-13kkmrkkblmbrbk294EE582A17605C223763413
Verified
No proof (small exponent)
2020-04-17Oliver Kruse88CDF79FBABBC65423234153
Verified
Not Uploaded
2022-04-15LordJulius88CDF79FBABBC65426402853
Verified
Certified Good
2022-11-08LordJulius88CDF79FBABBC65424855953
History
DateUserTypeResult
2026-02-10Jason LynchNF-PM1B1=903521000, B2=137281887853110
2025-12-16ViliamFNF-PM1B1=100000000, B2=2097943848000
2022-11-08Will KCERT
Proof certified good
2022-11-08LordJuliusC-PRPM109049/28397886287/17216111249968017189809 : 88CDF79FBABBC654
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: 60-61
2022-05-07LordJuliusNFno factor TF: 58-59
2022-05-07LordJuliusNFno factor TF: 59-60
2022-05-07LordJuliusNFno factor TF: 57-58
2022-04-15LordJuliusC-PRPM109049/28397886287/17216111249968017189809 : 88CDF79FBABBC654
Proof Not Uploaded

Proof Power: 5

2020-04-17Oliver KruseC-PRPM109049/28397886287/17216111249968017189809 : 88CDF79FBABBC654
2017-10-13kkmrkkblmbrbkC-PRPM109049/28397886287/17216111249968017189809 : 294EE582A17605C2
2017-09-22Oliver KruseC-PRPM109049/28397886287/17216111249968017189809 : 294EE582A17605C2
2017-09-21Oliver KruseC-PRPM109049/28397886287/17216111249968017189809 : 294EE582A17605C2
2016-12-10kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12
2010-04-26James HintzF-ECMFactor: 17216111249968017189809