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
7149929Factored
FactorDigitsBitsDate
1767666808783811918472167.32018-07-24 09:46:37
ECM
DigitsB1Curves
25500006 / 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)1999-07-30Marc Getty / Phil Fizur0BB9BAC1A7D39BCD0
Verified (Factored)2002-03-03Guillaume Thomassin0BB9BAC1A7D39BCD1409031
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-07-27_p95holder_E4F78A4B6017CA4C120527353
Verified2019-03-27arnaudE4F78A4B6017CA4C115987053
History
DateUserTypeResult
2019-03-27arnaudC-PRP
M7149929/176766680878381191847 : E4F78A4B6017CA4C
PRP: Verified
PRP without proof (not generated)
2018-07-27_p95holder_C-PRP
M7149929/176766680878381191847 : E4F78A4B6017CA4C
PRP: Verified
PRP without proof (not generated)
2018-07-24ramgeisF
Factor: 176766680878381191847 / TF: 67-68*
2016-10-24Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-21VictordeHollanderNF
no factor from 2^65 to 2^66
2014-02-06lycornNF
no factor from 2^64 to 2^65
2014-02-02NesowaNF
no factor from 2^63 to 2^64
2012-01-03Carsten KossendeyNF-PM1
B1=455000, B2=13877500, E=12