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
9532331Factored
FactorDigitsBitsDate
19064663824.2old
76258649826.22008-09-08 05:32:12
762586481929.52008-09-08 05:32:12
29740872731031.52008-09-08 05:32:13
260995222791134.62008-09-08 05:32:13
202157601539083991754.22014-11-08 12:08:27
3366838527332529111858.22015-08-19 11:24:00
46984648090200495531962.02016-06-21 11:37:49
2857496787954605451685536892787.92020-09-02 18:08:13
ECM
DigitsB1Curves
2550000180 / 280
Estimated T-Level: 23.2
TF below 2^72 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-11-08ATH25B77E9652508CDD8579246353
Verified (Factored)2018-02-01kkmrkkblmbrbk25B77E9652508CDD827272853
Verified2020-09-02ViliamF25B77E9652508CDD9717938453
P-1 factors
DateFactorB1B2
2020-09-022857496787954605451685536892000000020000000
History
DateUserTypeResult
2022-04-09LordJuliusNF
no factor from 2^64 to 2^65
2022-04-09James HeinrichNF
no factor from 2^64 to 2^65
2022-03-28Seth_TrNF-PM1
B1=400000000, B2=40004485950
2021-12-29Seth_TrNF-PM1
B1=200000000, B2=302033564910
2021-12-29Seth_TrNF-PM1
B1=200000000, B2=30200000000
2021-08-06Seth_TrNF
no factor from 2^66 to 2^67
2021-02-21Seth_TrNF-PM1
B1=100000000, B2=10000000000, E=12
2020-11-02ViliamFNF
no factor from 2^76 to 2^77
2020-11-02ViliamFNF
no factor from 2^75 to 2^76
2020-11-02ViliamFNF
no factor from 2^74 to 2^75
2020-09-03ViliamFNF
no factor from 2^73 to 2^74
2020-09-03ViliamFNF
no factor from 2^72 to 2^73
2020-09-02Ben DeloCERT
PRP Certification
Proof certified good
2020-09-02ViliamFC-PRP
M9532331/19064663/76258649/762586481/2974087273/26099522279/20215760153908399/336683852733252911/4698464809020049553/285749678795460545168553689 : 25B77E9652508CDD
PRP proof power = 8
PRP: Verified
Proof certified good
2020-09-02ViliamFF-PM1
Factor: 2335744925618509408770016467461104501508973381058052199630928759237044445472279422243199450452942369799767 / (P-1, B1=20000000)
2020-01-03Seth_TrNF
no factor from 2^71 to 2^72
2019-12-15Seth_TrNF
no factor from 2^70 to 2^71
2019-12-10Seth_TrNF
no factor from 2^69 to 2^70
2019-12-07Seth_TrNF
no factor from 2^68 to 2^69
2018-02-01kkmrkkblmbrbkC-PRP
M9532331/19064663/76258649/762586481/2974087273/26099522279/20215760153908399/336683852733252911/4698464809020049553 : 25B77E9652508CDD
PRP: Verified (Factored)
PRP without proof (not generated)
2017-11-08ATHC-PRP
M9532331/19064663/76258649/762586481/2974087273/26099522279/20215760153908399/336683852733252911/4698464809020049553 : 25B77E9652508CDD
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-20BloodERazorNF
no factor from 2^67 to 2^68
2017-10-20BloodERazorNF
no factor from 2^65 to 2^66
2017-10-20BloodERazorNF
no factor from 2^63 to 2^64
2017-10-20BloodERazorNF
no factor from 2^61 to 2^62
2016-06-21TJAOIF
Factor: 4698464809020049553 / TF: 62-63
2015-08-19TJAOIF
Factor: 336683852733252911 / TF: 58-59
2014-11-08TJAOIF
Factor: 20215760153908399 / TF: 54-55
2008-09-08Will EdgingtonF
Factor: 26099522279
2008-09-08Will EdgingtonF
Factor: 2974087273
2008-09-08Will EdgingtonF
Factor: 762586481
2008-09-08Will EdgingtonF
Factor: 76258649