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
72856151Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 665000
B2 = 13965000
LL
StatusDateUserResidueShift
Verified2017-06-03Dmitriy Degtiarev5DE63BED283ACB9637567102
Verified2024-03-30Gonchik5DE63BED283ACB9620808286
History
DateUserTypeResult
2024-03-30GonchikC-LL
5DE63BED283ACB96
2017-06-03Dmitriy DegtiarevC-LL
5DE63BED283ACB96
2016-06-17-Anonymous-NF
no factor from 2^74 to 2^75
2014-10-12TheJudgerNF-PM1
B1=665000, B2=13965000, E=12
2014-10-07kdgehmanNF
no factor from 2^73 to 2^74
2014-10-07kdgehmanNF
no factor from 2^72 to 2^73
2014-10-07kdgehmanNF
no factor from 2^71 to 2^72
2013-09-11processinfoNF
no factor from 2^70 to 2^71
2012-10-01sikafarmi_rendering_farmNF
no factor from 2^69 to 2^70
2010-06-06HighPriceRanchNF
no factor from 2^68 to 2^69
2010-06-04Beat BucheliNF
no factor from 2^67 to 2^68
2010-06-03arnaudNF
no factor from 2^66 to 2^67
2010-05-29Roman MaznichenkoNF
no factor from 2^65 to 2^66
2010-05-27ticky_chalkNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64