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
8003573Factored
FactorDigitsBitsDate
10145528851264680160427002492889.72018-02-20 20:55:02
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Martin Fahlgren87531E237077FCFA7956792
Verified (Factored)1999-09-14Brian Campbell87531E237077FCFA6328589
Verified (Factored)2015-11-06Vteam87531E237077FCFA2028177
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-07-05ATHDB6051E530E84A6E189673953
Verified2019-12-26RuzovejDB6051E530E84A6E1514281253
P-1 factors
DateFactorB1B2
2018-02-201014552885126468016042700249240000060000000
History
DateUserTypeResult
2019-12-26RuzovejC-PRP
M8003573/1014552885126468016042700249 : DB6051E530E84A6E
PRP: Verified
PRP without proof (not generated)
2018-07-05ATHC-PRP
M8003573/1014552885126468016042700249 : DB6051E530E84A6E
PRP: Verified
PRP without proof (not generated)
2018-02-20mikrF-PM1
Factor: 1014552885126468016042700249 / (P-1, B1=2400000, B2=60000000, E=12)
2017-08-27YxinityNF
no factor from 2^69 to 2^70
2017-08-27YxinityNF
no factor from 2^68 to 2^69
2017-08-18Sid & AndyNF
no factor from 2^67 to 2^68
2015-11-13snme2pm1NF
no factor from 2^66 to 2^67
2015-11-06VteamC-LL
87531E237077FCFA
2015-04-21snme2pm1NF
no factor from 2^65 to 2^66
2013-09-01David CampeauNF
no factor from 2^64 to 2^65
2013-07-24c10ck3rNF
no factor from 2^63 to 2^64
2012-04-08Squeeky_SquirrelNF-PM1
B1=100000, B2=1950000, E=6