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

PrimeNet Exponent Status

Exponent Range:





MnDetails
109297
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
35849417825.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000732 / 1566
Estimated T-Level: 32.3
TF below 2^102 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 KruseF78A3B2DC5127D091013
Verified
No proof (small exponent)
2017-09-22Oliver KruseF78A3B2DC5127D091013
Verified
No proof (small exponent)
2017-11-06kkmrkkblmbrbkF78A3B2DC5127D0915053713
Verified
No proof (small exponent)
2020-04-17Oliver KruseB573D36DC8AE2EED13045653
Verified
Not Uploaded
2022-04-15LordJuliusB573D36DC8AE2EED17668253
Verified
Certified Good
2022-11-08LordJuliusB573D36DC8AE2EED13853653
History
DateUserTypeResult
2026-02-10Jason LynchNF-PM1B1=898748000, B2=137281887853110
2025-12-16ViliamFNF-PM1B1=100000000, B2=2095668655080
2022-11-08Dry Creek PhotoCERT
Proof certified good
2022-11-08LordJuliusC-PRPM109297/35849417 : B573D36DC8AE2EED
Proof Not Uploaded

Proof Power: 5

2022-05-07LordJuliusNFno factor TF: 61-62
2022-05-07LordJuliusNFno factor TF: 62-63
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-PRPM109297/35849417 : B573D36DC8AE2EED
Proof Not Uploaded

Proof Power: 5

2020-04-17Oliver KruseC-PRPM109297/35849417 : B573D36DC8AE2EED
2020-03-18player_3236NFno factor TF: 59-60
2020-03-18player_3236NFno factor TF: 58-59
2020-03-18player_3236NFno factor TF: 57-58
2017-11-06kkmrkkblmbrbkC-PRPM109297/35849417 : F78A3B2DC5127D09
2017-09-22Oliver KruseC-PRPM109297/35849417 : F78A3B2DC5127D09
2017-09-21Oliver KruseC-PRPM109297/35849417 : F78A3B2DC5127D09
2017-09-21Oliver KruseC-PRPM109297/35849417 : F78A3B2DC5127D09
2016-12-10kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12