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
65081383Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 580000
B2 = 11455000
LL
StatusDateUserResidueShift
Verified2014-12-16MK-maui3E0CFABDF58233E44717510
Verified2022-11-28Ryan Propper3E0CFABDF58233E448078542
History
DateUserTypeResult
2022-11-28Ryan PropperC-LL
3E0CFABDF58233E4
2022-09-02La GüiraNF
no factor from 2^74 to 2^75
2016-03-28Mark RoseNF
no factor from 2^60 to 2^64
2014-12-16MK-mauiC-LL
3E0CFABDF58233E4
2013-10-24jimmychauNF-PM1
B1=580000, B2=11455000, E=6
2013-10-17gcardonaNF
no factor from 2^73 to 2^74
2013-09-26Kyle AskineNF
no factor from 2^72 to 2^73
2013-09-25Kyle AskineNF
no factor from 2^71 to 2^72
2012-08-25america64NF
no factor from 2^70 to 2^71
2012-01-14Simon HarrisonNF
no factor from 2^69 to 2^70
2011-01-06eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2011-01-02eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-12-29eon_blue_apocalypseNF
no factor from 2^66 to 2^67
2010-06-29HighPriceRanchNF
no factor from 2^65 to 2^66
2010-06-28HighPriceRanchNF
no factor from 2^64 to 2^65