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
2108599Factored
FactorDigitsBitsDate
352937300631135.0old
8004427193542271291859.52015-11-23 12:27:24
23431123003088545480312271.02021-10-28 17:31:19
6381130926831396726545242012789.02022-12-21 02:24:46
ECM
DigitsB1Curves
255000099 / 280
Estimated T-Level: 21.8
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-30alpertron007A8BFE442E98C62013
Verified (Factored)2017-10-21Oliver Kruse007A8BFE442E98C6229080413
Verified (Factored)2021-10-30_p95holder_61AC35EF7A4F4FB932274953
Verified (Factored)2021-11-03LaurV61AC35EF7A4F4FB93151130853
Verified2022-12-26LordJulius61AC35EF7A4F4FB94190946453
History
DateUserTypeResult
2022-12-26curtiscCERT
PRP Certification
Proof certified good
2022-12-26LordJuliusC-PRP
M2108599/35293730063/800442719354227129/2343112300308854548031/638113092683139672654524201 : 61AC35EF7A4F4FB9
PRP proof power = 7
PRP: Verified
Proof certified good
2022-12-21debrouxlF-ECM
Factor: 638113092683139672654524201 / (ECM curve 1, B1=50000, B2=7000000, Sigma=2428413024103851)
2021-11-03Ben DeloCERT
PRP Certification
Proof certified good
2021-11-03LaurVC-PRP
M2108599/35293730063/800442719354227129/2343112300308854548031 : 61AC35EF7A4F4FB9
PRP proof power = 7
PRP: Verified (Factored)
Proof certified good
2021-10-30_p95holder_C-PRP
M2108599/35293730063/800442719354227129/2343112300308854548031 : 61AC35EF7A4F4FB9
PRP: Verified (Factored)
PRP without proof (not generated)
2021-10-28_p95holder_F-ECM
Factor: 2343112300308854548031 / (ECM curve 2, B1=50000, B2=5000000)
2017-10-21Oliver KruseC-PRP
M2108599/35293730063/800442719354227129 : 007A8BFE442E98C6
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-30alpertronC-PRP
M2108599/35293730063/800442719354227129 : 007A8BFE442E98C6
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=500000, B2=15000000, E=12
2015-11-23TJAOIF
Factor: 800442719354227129 / TF: 59-60