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
3184541Factored
FactorDigitsBitsDate
1594554534202433800070092477.12020-12-13 23:48:44
ECM
DigitsB1Curves
255000017 / 280
Estimated T-Level: 20.3
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-05-01Bill Delveaux89D2DF03B63E04400
Verified (Factored)1999-06-15Smegheads89D2DF03B63E04402059896
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2020-12-14mrhAC2C6C98E1CE6D411300493953
History
DateUserTypeResult
2021-12-22JossNF-PM1
B1=3184541, B2=637437570
2021-12-19JossNF-PM1
B1=3184541, B2=108997350
2021-06-15JossNF-PM1
B1=3184541
2021-02-22JossNF
no factor from 2^66 to 2^67
2021-02-21JossNF
no factor from 2^65 to 2^66
2021-01-18JossNF-PM1
B1=471191, B2=3184541, E=6
2020-12-14kutensCERT
PRP Certification
Proof certified good
2020-12-14mrhC-PRP
M3184541/159455453420243380007009 : AC2C6C98E1CE6D41
PRP proof power = 7
PRP: Verified
Proof certified good
2020-12-13Sergey NosovF-ECM
Factor: 159455453420243380007009 / (ECM curve 2, B1=50000, B2=5000000)
2019-09-30mikrNF-PM1
B1=4000000, B2=150000000, E=12
2019-01-07TJAOINF
no factor from 2^67 to 2^68
2017-04-30Gordon SpenceNF
no factor from 2^66 to 2^67
2016-04-19JossNF-PM1
B1=441191, B2=13257974, E=6
2015-12-06Squeeky_SquirrelNF-PM1
B1=155000, B2=3913750, E=6
2015-06-18ThaNF
no factor from 2^65 to 2^66
2015-02-15VictordeHollanderNF
no factor from 2^64 to 2^65
2015-02-15VictordeHollanderNF
no factor from 2^63 to 2^64
2014-09-29JossNF-PM1
B1=100310
2014-06-01JossNF-PM1
B1=80155
2013-01-03dbaughNF
no factor from 2^62 to 2^63
2011-10-20Grant McCrackenNF
no factor from 2^61 to 2^62
2011-09-12Squeeky_SquirrelNF-PM1
B1=60000, B2=975000, E=6
2009-07-03Carsten KossendeyNF-PM1
B1=15000, B2=191250
2009-04-09S485122NF
no factor from 2^60 to 2^61