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
139199Factored
FactorDigitsBitsDate
2881235057815947613416579660919932104.52009-01-02 02:07:46
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000194 / 1566
Estimated T-Level: 30.6
TF below 2^97 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown7B1E0
Verified (Factored)Kevin Jaget046DFEF32D2E7B1E0
Verified (Factored)Brian J. Beesley046DFEF32D2E7B1E0
Verified (Factored)Eivind Triel046DFEF32D2E7B1E40642
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse2C920A6B1C6C8C571013
Verified2017-10-13kkmrkkblmbrbk2C920A6B1C6C8C5715132713
Verified2020-04-17Oliver Kruse336E87FDF74B562A110479653
Verified2024-02-03Wentao Huang336E87FDF74B562A112453453
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M139199/28812350578159476134165796609199 : 336E87FDF74B562A
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^57 to 2^58
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-17Oliver KruseC-PRP
M139199/28812350578159476134165796609199 : 336E87FDF74B562A
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M139199/28812350578159476134165796609199 : 2C920A6B1C6C8C57
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M139199/28812350578159476134165796609199 : 2C920A6B1C6C8C57
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M139199/28812350578159476134165796609199 : 2C920A6B1C6C8C57
PRP without proof (not generated)
2017-03-30kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2009-01-02axnF-ECM
Factor: 28812350578159476134165796609199
2008-12-31Sturle SundeNF
no factor from 2^58 to 2^59