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
5860273Factored
FactorDigitsBitsDate
177891421640165443693981672683.92019-06-15 21:15:07
ECM
DigitsB1Curves
25500007 / 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)1998-10-29Hans Kesting86B1E0E2469A35DF0
Verified (Factored)2001-03-05Thomas Traber86B1E0E2469A35DF1298756
Verified (Factored)2001-05-20Ron Hess86B1E0E2469A35DF2034345
Verified (Factored)2015-05-04MadPoo86B1E0E2469A35DF2327759
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2019-06-15ATHB0C50462669301F3192186553
Verified2019-06-16marssystemsB0C50462669301F31577158853
History
DateUserTypeResult
2019-06-16marssystemsC-PRP
M5860273/17789142164016544369398167 : B0C50462669301F3
PRP: Verified
PRP without proof (not generated)
2019-06-15ATHC-PRP
M5860273/17789142164016544369398167 : B0C50462669301F3
PRP: Verified
PRP without proof (not generated)
2019-06-15furkellF-ECM
Factor: 17789142164016544369398167 / (ECM curve 1, B1=50000, B2=5000000)
2018-07-05ramgeisNF
no factor from 2^67 to 2^68
2016-07-17Gordon SpenceNF
no factor from 2^66 to 2^67
2015-09-16snme2pm1NF
no factor from 2^65 to 2^66
2015-05-04MadPooC-LL
86B1E0E2469A35DF
2014-10-15lycornNF
no factor from 2^64 to 2^65
2014-10-09NesowaNF
no factor from 2^63 to 2^64
2011-06-09USAFSSNF-PM1
B1=65000, B2=1088750, E=6
2009-03-21GrunwalderGIMPNF
no factor from 2^62 to 2^63