Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
192323Factored
FactorDigitsBitsDate
15772797722471340.5old
71626054733958008728360872582.62008-08-26 20:12:59
923369268144991332657621569212996.22020-02-07 11:11:56
13948333426021315494881627909493722920507942136.72017-08-04 20:14:06
ECM
DigitsB1Curves
2550000280 / 280
30250000600 / 640
Estimated T-Level: 29.7
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse78BF25CF6E7C4C083013
Verified (Factored)2017-10-12kkmrkkblmbrbk78BF25CF6E7C4C0837295913
Verified2020-02-08Jinyuan Wang2212AD24BE99BB3847046353
Verified2020-02-10Alvin Bunk2212AD24BE99BB3843165053
Verified2023-08-24USAFSS2212AD24BE99BB3849668453
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-03-09jkm3141factor ECM small0.00 % 2024-03-09
P-1 factors
DateFactorB1B2
2017-08-041394833342602131549488162790949372292050791000000002000000000
History
DateUserTypeResult
2023-08-24slandrumCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M192323/1577279772247/7162605473395800872836087/92336926814499133265762156921/139483334260213154948816279094937229205079 : 2212AD24BE99BB38
PRP proof power = 5
PRP: Verified
Proof certified good
2020-02-10Alvin BunkC-PRP
M192323/1577279772247/7162605473395800872836087/139483334260213154948816279094937229205079/92336926814499133265762156921 : 2212AD24BE99BB38
PRP: Verified
PRP without proof (small exponent)
2020-02-08Jinyuan WangC-PRP
M192323/1577279772247/7162605473395800872836087/92336926814499133265762156921/139483334260213154948816279094937229205079 : 2212AD24BE99BB38
PRP: Verified
PRP without proof (small exponent)
2020-02-07Niels_Mache_NextcloudF-ECM
Factor: 92336926814499133265762156921 / (ECM curve 2, B1=250000, B2=25000000, Sigma=1703817898323626)
2017-10-12kkmrkkblmbrbkC-PRP
M192323/1577279772247/7162605473395800872836087/139483334260213154948816279094937229205079 : 78BF25CF6E7C4C08
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M192323/known_factors : 78BF25CF6E7C4C08
PRP without proof (not generated)
2017-08-04kkmrkkblmbrbkF-PM1
Factor: 139483334260213154948816279094937229205079 / (P-1, B1=100000000, B2=2000000000, E=12)
2008-08-26-Anonymous-F-ECM
Factor: 7162605473395800872836087