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
5034919Factored
FactorDigitsBitsDate
7627711924687120468795692479.32021-10-26 16:37:37
ECM
DigitsB1Curves
255000045 / 280
Estimated T-Level: 20.8
TF below 2^64 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David A McGough9DCC6C4215DEFFB80
Verified (Factored)2000-04-27Andy Kohler9DCC6C4215DEFFB8772888
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2021-10-26ATH04775FE5DBFA594D1340334353
History
DateUserTypeResult
2021-10-26Ben DeloCERT
PRP Certification
Proof certified good
2021-10-26ATHC-PRP
M5034919/762771192468712046879569 : 04775FE5DBFA594D
PRP proof power = 7
PRP: Verified
Proof certified good
2021-10-26ATHF-PP1
Start=2/7, B1=2500000, B2=92500000, Factor: 762771192468712046879569
2021-04-03-Anonymous-NF
no factor from 2^71 to 2^72
2021-04-01-Anonymous-NF
no factor from 2^70 to 2^71
2021-04-01-Anonymous-NF
no factor from 2^69 to 2^70
2021-01-18TJAOINF
no factor from 2^68 to 2^69
2018-06-11ramgeisNF
no factor from 2^67 to 2^68
2017-02-19Squeeky_SquirrelNF-PM1
B1=300000, B2=9375000, E=12
2016-05-17Gordon SpenceNF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^61 to 2^63
2015-07-28snme2pm1NF
no factor from 2^65 to 2^66
2014-12-16VictordeHollanderNF
no factor from 2^64 to 2^65
2014-12-16VictordeHollanderNF
no factor from 2^63 to 2^64
2014-11-17JossNF-PM1
B1=67748
2009-07-21USAFSSNF-PM1
B1=55000, B2=907500, E=6