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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1755877Factored
FactorDigitsBitsDate
35945955792847464707512271.62020-07-08 15:32:41
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Philip Sharman553562E843572DE40
Verified (Factored)1999-03-26Yann Forget553562E843572DE41440104
Verified (Factored)2015-07-18MadPoo553562E843572DE4706046
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-07-09Klaus NordmannB7236E019BD6BEEC1151710153
Verified2020-07-09Alexander PavlicinB7236E019BD6BEEC177944553
History
DateUserTypeResult
2020-07-09Alexander PavlicinC-PRP
M1755877/3594595579284746470751 : B7236E019BD6BEEC
PRP: Verified
PRP without proof (not generated)
2020-07-09Klaus NordmannC-PRP
M1755877/3594595579284746470751 : B7236E019BD6BEEC
PRP: Verified
PRP without proof (not generated)
2020-07-08GANF-ECM
Factor: 3594595579284746470751 / (ECM curve 1, B1=50000, B2=5000000, Sigma=2340966118462165)
2019-06-17TJAOINF
no factor from 2^67 to 2^68
2018-10-19JossNF-PM1
B1=1755877, B2=193146470, E=12
2018-10-07JossNF-PM1
B1=1755877, B2=175587700, E=12
2018-10-03JossNF-PM1
B1=1755877, B2=158028930, E=12
2018-10-02JossNF-PM1
B1=1755877, B2=140470160, E=12
2018-05-28TJAOINF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^62
2016-02-23Mark RoseNF
no factor from 2^58 to 2^60
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-09-06ramgeisNF
no factor from 2^65 to 2^66
2015-07-18MadPooC-LL
553562E843572DE4
2015-07-06mikrNF-PM1
B1=3642200, B2=123456789, E=12
2015-05-13snme2pm1NF
no factor from 2^64 to 2^65
2015-05-13snme2pm1NF
no factor from 2^63 to 2^64
2015-04-26Squeeky_SquirrelNF-PM1
B1=130000, B2=3640000, E=6
2014-09-17-Anonymous-NF-PM1
B1=173108
2014-05-06JossNF-PM1
B1=136554
2014-04-08JossNF-PM1
B1=100000
2011-02-02Carsten KossendeyNF-PM1
B1=95000, B2=1567500, E=6
2010-12-13GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-04-22Architects CubedNF
no factor from 2^60 to 2^61