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:










MnStatusDetails
3582361Factored
FactorDigitsBitsDate
2648540969389893297733992477.82021-06-30 11:02:45
ECM
DigitsB1Curves
255000021 / 280
Estimated T-Level: 20.4
TF below 2^63 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)George Woltman7B39F61AA70D7F250
Verified (Factored)1999-07-27Peter Holst Andersen7B39F61AA70D7F252412465
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-07-01tottenhoffADA8D020106C3A79121780053
History
DateUserTypeResult
2022-05-24JossNF-PM1
B1=100000, B2=130364850
2022-03-01JossNF-PM1
B1=100000
2021-07-01WRCERT
PRP Certification
Proof certified good
2021-07-01tottenhoffC-PRP
M3582361/264854096938989329773399 : ADA8D020106C3A79
PRP proof power = 7
PRP: Verified
Proof certified good
2021-06-30kutensF-ECM
Factor: 264854096938989329773399 / (ECM curve 2, B1=50000, B2=6750000, Sigma=886690582541989)
2021-03-17-Anonymous-NF
no factor from 2^70 to 2^71
2021-03-17-Anonymous-NF
no factor from 2^69 to 2^70
2020-12-19axnNF
no factor from 2^68 to 2^69
2020-01-30BigBrotherNF-PM1
B1=3000000, B2=90000000, E=12
2018-10-01TJAOINF
no factor from 2^67 to 2^68
2017-01-20Gordon SpenceNF
no factor from 2^66 to 2^67
2016-05-09Squeeky_SquirrelNF-PM1
B1=225000, B2=6581250, E=12
2016-02-26ramgeisNF
no factor from 2^65 to 2^66
2016-02-23Mark RoseNF
no factor from 2^1 to 2^60
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-01-30VictordeHollanderNF
no factor from 2^64 to 2^65
2015-01-30VictordeHollanderNF
no factor from 2^63 to 2^64
2012-07-02GrunwalderGIMPNF
no factor from 2^1 to 2^63
2011-12-27Squeeky_SquirrelNF-PM1
B1=85000, B2=1593750, E=6
2011-06-19Grant McCrackenNF
no factor from 2^61 to 2^62
2009-07-09Carsten KossendeyNF-PM1
B1=20000, B2=245000
2009-03-14S485122NF
no factor from 2^60 to 2^61