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
2066903Factored
FactorDigitsBitsDate
4133807722.0old
1154476318191111546.72014-02-19 11:29:02
2901229747554046731858.02015-08-03 11:32:13
424845796341504844312065.22018-07-25 09:27:07
30740791526956885095394572581.32021-11-27 04:34:50
ECM
DigitsB1Curves
2550000150 / 280
Estimated T-Level: 22.7 ⓘ
TF below 2^70 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-30alpertron31B358DC2A4A2C793013
Verified (Factored)2017-10-21Oliver Kruse31B358DC2A4A2C79379650013
Verified (Factored)2018-07-27_p95holder_405D9EB24CC5F7884196331653
Verified (Factored)2018-07-28kkmrkkblmbrbk405D9EB24CC5F7884150687553
Verified2021-11-29_p95holder_405D9EB24CC5F7885131850753
Verified2022-03-12_p95holder_405D9EB24CC5F7885115897353
History
DateUserTypeResult
2022-03-12GerardCBlaisCERT
PRP Certification
Proof certified good
2022-03-12_p95holder_C-PRP
M2066903/4133807/115447631819111/290122974755404673/42484579634150484431/3074079152695688509539457 : 405D9EB24CC5F788
PRP proof power = 7
PRP: Verified
Proof certified good
2022-03-09LordJuliusNF
no factor from 2^64 to 2^65
2022-03-09LordJuliusNF
no factor from 2^63 to 2^64
2022-03-09LordJuliusNF
no factor from 2^62 to 2^63
2021-11-29_p95holder_C-PRP
M2066903/4133807/115447631819111/290122974755404673/42484579634150484431/3074079152695688509539457 : 405D9EB24CC5F788
PRP: Verified
PRP without proof (not generated)
2021-11-27_p95holder_F-ECM
Factor: 3074079152695688509539457 / (ECM curve 1, B1=50000, B2=5000000)
2018-07-28kkmrkkblmbrbkC-PRP
M2066903/4133807/115447631819111/290122974755404673/42484579634150484431 : 405D9EB24CC5F788
PRP: Verified
PRP without proof (not generated)
2018-07-27_p95holder_C-PRP
M2066903/4133807/115447631819111/290122974755404673/42484579634150484431 : 405D9EB24CC5F788
PRP: Verified
PRP without proof (not generated)
2018-07-25TJAOIF
Factor: 42484579634150484431 / TF: 65-66
2017-10-21Oliver KruseC-PRP
M2066903/4133807/115447631819111/290122974755404673 : 31B358DC2A4A2C79
PRP: Verified
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M2066903/115447631819111/290122974755404673/4133807 : 31B358DC2A4A2C79
PRP: Verified
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12
2015-08-03TJAOIF
Factor: 290122974755404673 / TF: 58-59
2014-02-19TJAOIF
Factor: 115447631819111