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
72923497Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 625000
B2 = 12343750
LL
StatusDateUserResidueShift
Verified2015-12-22volovik1A158E56C0588EF460383441
Verified2024-06-28hisakazu1A158E56C0588EF429530741
History
DateUserTypeResult
2024-06-28hisakazuC-LL
1A158E56C0588EF4
2015-12-22volovikC-LL
1A158E56C0588EF4
2015-09-09NesowaNF-PM1
B1=625000, B2=12343750, E=6
2015-09-02AirSquirrelsNF
no factor from 2^74 to 2^75
2015-09-02GregNF
no factor from 2^73 to 2^74
2015-09-02GregNF
no factor from 2^72 to 2^73
2015-03-26el groccoNF
no factor from 2^71 to 2^72
2013-07-05PascalBieriNF
no factor from 2^70 to 2^71
2012-10-06-Anonymous-NF
no factor from 2^69 to 2^70
2010-11-23-Anonymous-NF
no factor from 2^68 to 2^69
2010-11-22-Anonymous-NF
no factor from 2^67 to 2^68
2010-11-21bald2718281828NF
no factor from 2^66 to 2^67
2010-11-14bald2718281828NF
no factor from 2^65 to 2^66
2010-10-22bald2718281828NF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64