Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
82728059Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 275
P-1
B1 = 705000
B2 = 14452500
LL
StatusDateUserResidueShift
Verified2018-12-14G0rfi3ld23D7BA9DA559F28833298079
Verified2019-01-05rk3aqy23D7BA9DA559F28854030253
History
DateUserTypeResult
2019-05-21Niels_Mache_NextcloudNF
no factor from 2^75 to 2^76
2019-01-05rk3aqyC-LL
23D7BA9DA559F288
2018-12-14G0rfi3ldC-LL
23D7BA9DA559F288
2017-09-17TheJudgerNF-PM1
B1=705000, B2=14452500, E=12
2016-12-18TheJudgerNF
no factor from 2^74 to 2^75
2016-12-18TheJudgerNF
no factor from 2^73 to 2^74
2016-11-26Judge HaleNF
no factor from 2^72 to 2^73
2014-02-13SRS TechnologyNF
no factor from 2^71 to 2^72
2013-11-05SMoffatNF
no factor from 2^70 to 2^71
2013-03-04RonnyKarlNF
no factor from 2^69 to 2^70
2013-02-25-Anonymous-NF
no factor from 2^68 to 2^69
2013-02-08-Anonymous-NF
no factor from 2^67 to 2^68
2013-01-30SMoffatNF
no factor from 2^66 to 2^67
2011-03-29KarlMJNF
no factor from 2^65 to 2^66
2010-12-18Architects CubedNF
no factor from 2^64 to 2^65