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
75341221TF
No factors below 275
TF target 274
P-1
B1 = 645000
B2 = 11932500
LL
StatusDateUserResidueShift
Unverified2017-08-01baseyD8B2B4D192EB2C__41353726
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-03-10ANONYMOUSLL double-checkLL44.90 % 2024-03-25
History
DateUserTypeResult
2017-08-01baseyC-LL
D8B2B4D192EB2C__
2016-04-15DanathNF-PM1
B1=645000, B2=11932500
2016-04-03Mark RoseNF
no factor from 2^63 to 2^64
2016-02-01FredrikNF
no factor from 2^74 to 2^75
2016-02-01FredrikNF
no factor from 2^73 to 2^74
2016-01-25cuBerBruceNF
no factor from 2^72 to 2^73
2014-02-05-Anonymous-NF
no factor from 2^71 to 2^72
2013-05-15frmarNF
no factor from 2^70 to 2^71
2012-12-07-Anonymous-NF
no factor from 2^69 to 2^70
2010-12-22frigoNF
no factor from 2^68 to 2^69
2010-12-20MarzbugNF
no factor from 2^67 to 2^68
2010-12-15MarzbugNF
no factor from 2^66 to 2^67
2010-12-08MarzbugNF
no factor from 2^65 to 2^66
2010-10-03XyzzyNF
no factor from 2^64 to 2^65