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

PrimeNet Exponent Status

Exponent Range:





MnDetails
4077701
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 265
Factored
FactorDigitsBitsDate
11490879863991340.1old
6742326279755834711859.22015-11-04 12:37:18
1165899316864960677292166.72020-07-14 09:14:29
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)
2017-11-13kkmrkkblmbrbk652DE7D2067FF33F2374036953
Factored
PRP without proof (not generated)
2018-01-10Chang Chia-Tche652DE7D2067FF33F2226716853
Verified
PRP without proof (not generated)
2020-07-14storm5510652DE7D2067FF33F388020453
History
DateUserTypeResult
2022-10-08USAFSSNF-PM1B1=200000, B2=135233670
2022-06-25LordJuliusNFno factor TF: 65-66
2022-06-25LordJuliusNFno factor TF: 63-64
2022-06-25LordJuliusNFno factor TF: 64-65
2022-06-25LordJuliusNFno factor TF: 60-63
2020-07-14storm5510C-PRPM4077701/1149087986399/674232627975583471/116589931686496067729 : 652DE7D2067FF33F
2020-07-14TJAOIFFactor: 116589931686496067729
2018-01-10Chang Chia-TcheC-PRPM4077701/1149087986399/674232627975583471 : 652DE7D2067FF33F
2017-11-13kkmrkkblmbrbkC-PRPM4077701/1149087986399/674232627975583471 : 652DE7D2067FF33F
2015-11-04TJAOIFFactor: 674232627975583471