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

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Exponent Range:










MnStatusDetails
70591189Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 640000
B2 = 12800000
LL
StatusDateUserResidueShift
Verified2015-04-18Kriesel11E1E84D7EC1B49419430975
Verified2024-08-16Mihai Preda11E1E84D7EC1B4940
History
DateUserTypeResult
2024-08-16Mihai PredaC-LL
11E1E84D7EC1B494
2024-05-10James HeinrichNF
no factor from 2^68 to 2^69
2016-11-22monstNF
no factor from 2^74 to 2^75
2015-04-18KrieselC-LL
11E1E84D7EC1B494
2015-01-15BdotNF-PM1
B1=640000, B2=12800000
2014-12-29monaghanrlNF
no factor from 2^73 to 2^74
2014-12-15gcardonaNF
no factor from 2^72 to 2^73
2014-10-06srow7NF
no factor from 2^71 to 2^72
2013-05-04trifNF
no factor from 2^70 to 2^71
2012-06-05wangyun183NF
no factor from 2^69 to 2^70
2010-05-18lindedNF
no factor from 2^68 to 2^69
2010-05-11Per JessenNF
no factor from 2^67 to 2^68
2010-05-06Per JessenNF
no factor from 2^66 to 2^67
2010-05-01unconnectedNF
no factor from 2^65 to 2^66
2010-02-26W Martin, CPANF
no factor from 2^64 to 2^65
2008-11-24Wojciech FlorekNF
no factor to 2^64