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
49000213Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 570000
B2 = 15390000
LL
StatusDateUserResidueShift
Verified2010-07-14curtisc7036D2653093BF0C24969182
Verified2019-07-20TAMUC-ComputerScience7036D2653093BF0C43719508
History
DateUserTypeResult
2019-07-20TAMUC-ComputerScienceC-LL
7036D2653093BF0C
2017-09-19monstNF
no factor from 2^72 to 2^73
2015-12-04-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-17Mark RoseNF
no factor from 2^70 to 2^71
2015-08-16Gordon SpenceNF
no factor from 2^69 to 2^70
2012-01-07timbitNF-PM1
B1=570000, B2=15390000
2010-07-14curtiscC-LL
7036D2653093BF0C
2008-06-03-Anonymous-NF
no factor to 2^64