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
6957337TF
No factors below 272
TF target 267
P-1
B1 = 4000000
B2 = 456818670
ECM
DigitsB1Curves
25500007 / 280
Estimated T-Level: 20.1
LL
StatusDateUserResidueShift
Verified2000-07-17Werner Durandi/Reto Keiser939B0F2634BA0C881193964
Verified2001-12-22Robin Tremblay939B0F2634BA0C885437467
History
DateUserTypeResult
2021-12-04Seth_TrNF-PM1
B1=4000000, B2=456818670
2021-11-05Seth_TrNF-PM1
B1=2000000, B2=58000000, E=12
2021-09-25SRBaseNF
no factor from 2^71 to 2^72
2021-08-12SRBaseNF
no factor from 2^70 to 2^71
2021-08-01takahashiNF
no factor from 2^69 to 2^70
2020-04-24TJAOINF
no factor from 2^68 to 2^69
2018-05-23ramgeisNF
no factor from 2^67 to 2^68
2016-04-06Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-26VictordeHollanderNF
no factor from 2^65 to 2^66
2014-08-17NesowaNF-PM1
B1=435000, B2=11310000, E=12
2014-02-16lycornNF
no factor from 2^64 to 2^65
2014-02-09NesowaNF
no factor from 2^63 to 2^64