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
74008339Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 675000
B2 = 13837500
LL
StatusDateUserResidueShift
Verified2016-01-28-Anonymous-B4F88BC81999218154923068
Verified2024-09-12jg5B4F88BC8199921815321698
History
DateUserTypeResult
2024-09-12jg5C-LL
B4F88BC819992181
2016-01-28-Anonymous-C-LL
B4F88BC819992181
2015-04-05RichD0NF
no factor from 2^74 to 2^75
2014-10-07Kevin JagetNF-PM1
B1=675000, B2=13837500, E=6
2014-09-26BdotNF
no factor from 2^73 to 2^74
2014-09-24BdotNF
no factor from 2^72 to 2^73
2014-08-31Travis Glenn RussoNF
no factor from 2^71 to 2^72
2013-05-22JeffreyH-8NF
no factor from 2^70 to 2^71
2012-10-26andrea.biancalanaNF
no factor from 2^69 to 2^70
2010-09-17SAHS Physics ClubNF
no factor from 2^68 to 2^69
2010-09-12Houd Al-ObaidliNF
no factor from 2^67 to 2^68
2010-09-07AdvResSys SupercomputerNF
no factor from 2^66 to 2^67
2010-08-24GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-06-19Eidan SpiegelNF
no factor from 2^64 to 2^65
2008-09-12lycornNF
no factor to 2^64