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

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Exponent Range:










MnStatusDetails
72408263Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 620000
B2 = 12245000
LL
StatusDateUserResidueShift
Verified2015-10-12curtiscF35E97AF0E1225E938592340
Verified2024-06-11Danilyuk DmitriyF35E97AF0E1225E923720994
History
DateUserTypeResult
2024-06-11Danilyuk DmitriyC-LL
F35E97AF0E1225E9
2015-10-12curtiscC-LL
F35E97AF0E1225E9
2015-07-12TheJudgerNF-PM1
B1=620000, B2=12245000, E=12
2015-07-05TheJudgerNF
no factor from 2^74 to 2^75
2015-07-05TheJudgerNF
no factor from 2^73 to 2^74
2015-07-05TheJudgerNF
no factor from 2^72 to 2^73
2015-02-20srow7NF
no factor from 2^71 to 2^72
2012-11-22frmarNF
no factor from 2^70 to 2^71
2012-10-01Bold_SeekerNF
no factor from 2^69 to 2^70
2010-08-05sunithayaNF
no factor from 2^68 to 2^69
2010-07-28sunithayaNF
no factor from 2^67 to 2^68
2010-07-26GrunwalderGIMPNF
no factor from 2^66 to 2^67
2010-07-25symalladNF
no factor from 2^65 to 2^66
2010-07-20mcarter7976NF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64