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
72980783TF
No factors below 275
TF target 274
P-1
B1 = 625000
B2 = 12500000
LL
StatusDateUserResidueShift
Verified2015-12-09curtisc52F1912784EB523116484881
Verified2023-09-20Semyon Musatov52F1912784EB52311922016
History
DateUserTypeResult
2023-09-20Semyon MusatovC-LL
52F1912784EB5231
2015-12-09curtiscC-LL
52F1912784EB5231
2015-09-20James HeinrichNF-PM1
B1=625000, B2=12500000, E=6
2015-09-12dragonbud20NF
no factor from 2^74 to 2^75
2015-09-12dragonbud20NF
no factor from 2^73 to 2^74
2015-09-12dragonbud20NF
no factor from 2^72 to 2^73
2015-04-01srow7NF
no factor from 2^71 to 2^72
2013-07-05timc995NF
no factor from 2^70 to 2^71
2012-10-07sannerud.comNF
no factor from 2^69 to 2^70
2010-10-06GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-10-05GrunwalderGIMPNF
no factor from 2^67 to 2^68
2010-10-04-Anonymous-NF
no factor from 2^66 to 2^67
2010-09-29-Anonymous-NF
no factor from 2^65 to 2^66
2010-09-25-Anonymous-NF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64