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

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Exponent Range:










MnStatusDetails
72830731Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 665000
B2 = 13965000
LL
StatusDateUserResidueShift
Verified2017-06-11Mikhail E. GolosovF08644C54935299A20825354
Verified2024-11-18R GiltrapF08644C54935299A29945769
History
DateUserTypeResult
2024-11-18R GiltrapC-LL
F08644C54935299A
2017-06-11Mikhail E. GolosovC-LL
F08644C54935299A
2016-06-05-Anonymous-NF
no factor from 2^74 to 2^75
2015-04-26TheJudgerNF-PM1
B1=665000, B2=13965000, E=12
2015-04-17NickOfTimeNF
no factor from 2^73 to 2^74
2015-01-16RichD0NF
no factor from 2^71 to 2^73
2014-06-29Mark RoseNF
no factor from 2^70 to 2^71
2012-10-07NoWhereManNF
no factor from 2^69 to 2^70
2010-07-31tmorrowNF
no factor from 2^68 to 2^69
2010-07-29-Anonymous-NF
no factor from 2^67 to 2^68
2010-07-27dmbeesonNF
no factor from 2^66 to 2^67
2010-07-25Wayne_YeungNF
no factor from 2^65 to 2^66
2010-07-23Wayne_YeungNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64