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
20108111Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 269
P-1
B1 = 1323000
B2 = 727499190
LL
StatusDateUserResidueShift
Bad2004-07-13Andrew Hill60F924193B07F6DE5037726
Verified2006-08-25Ars Technica Team Prime RibE5B9D38655D19F556893757
Verified2007-12-18Thure DührsenE5B9D38655D19F555174891
History
DateUserTypeResult
2024-07-16storm5510NF-PM1
B1=1323000, B2=727499190
2021-12-31Denial140NF
no factor from 2^73 to 2^74
2021-11-26-Anonymous-NF
no factor from 2^72 to 2^73
2021-09-11-Anonymous-NF
no factor from 2^71 to 2^72
2020-02-07Aaron HavilandNF-PM1
B1=380000, B2=8265000, e=12
2019-11-23Dylan DelgadoNF
no factor from 2^70 to 2^71
2018-01-09ramgeisNF
no factor from 2^69 to 2^70
2017-11-14VictordeHollanderNF
no factor from 2^68 to 2^69
2017-04-26ramgeisNF
no factor from 2^67 to 2^68
2015-02-06NRNF
no factor from 2^66 to 2^67