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
4641047Factored
FactorDigitsBitsDate
1071541711623096707532166.52018-07-06 22:08:12
ECM
DigitsB1Curves
25500009 / 280
Estimated T-Level: 20.2
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)1998-06-20Andreas MuellerF34B64566B0011580
Verified (Factored)2000-08-31Dieter SchmittF34B64566B0011582233574
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-07-07_p95holder_0F003823931AF1811428456053
Verified2018-07-08kkmrkkblmbrbk0F003823931AF181131104453
History
DateUserTypeResult
2018-07-08kkmrkkblmbrbkC-PRP
M4641047/107154171162309670753 : 0F003823931AF181
PRP: Verified
PRP without proof (not generated)
2018-07-07_p95holder_C-PRP
M4641047/107154171162309670753 : 0F003823931AF181
PRP: Verified
PRP without proof (not generated)
2018-07-06BloodERazorF
Factor: 107154171162309670753 / TF: 66-67
2018-01-04Ismo LaitelaNF-PM1
B1=1988203, B2=61634303, E=12
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2015-07-07snme2pm1NF
no factor from 2^65 to 2^66
2015-01-31monstNF
no factor from 2^64 to 2^65
2015-01-31JayderNF
no factor from 2^63 to 2^64
2012-02-03Squeeky_SquirrelNF-PM1
B1=110000, B2=2062500, E=6
2011-12-09GrunwalderGIMPNF
no factor from 2^1 to 2^63
2010-07-26markrNF
no factor from 2^61 to 2^62