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
74514697Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 615000
B2 = 9686250
LL
StatusDateUserResidueShift
Verified2016-04-25S76789D0E4F36DADCB0B6242628369
Verified2024-10-03mewturnD0E4F36DADCB0B620
History
DateUserTypeResult
2024-10-03mewturnC-LL
D0E4F36DADCB0B62
2016-04-25S76789C-LL
D0E4F36DADCB0B62
2016-04-01Mark RoseNF
no factor from 2^57 to 2^64
2015-11-15TheJudgerNF-PM1
B1=615000, B2=9686250
2015-10-26AirSquirrelsNF
no factor from 2^74 to 2^75
2015-10-26AirSquirrelsNF
no factor from 2^73 to 2^74
2015-10-19Matthias WurtingerNF
no factor from 2^72 to 2^73
2015-08-21ChuckNF
no factor from 2^71 to 2^72
2013-12-02ANONYMOUSNF
no factor from 2^70 to 2^71
2012-10-21-Anonymous-NF
no factor from 2^69 to 2^70
2011-01-11eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2011-01-08MarzbugNF
no factor from 2^67 to 2^68
2011-01-03MarzbugNF
no factor from 2^66 to 2^67
2010-12-30-Anonymous-NF
no factor from 2^65 to 2^66
2010-07-26riccardo ubertiNF
no factor from 2^64 to 2^65