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
54222263Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 525000
B2 = 6562500
LL
StatusDateUserResidueShift
Verified2011-12-08JMGarciaD1038CC0A440529824311150
Verified2020-09-16Sergey NosovD1038CC0A440529841497719
History
DateUserTypeResult
2020-09-16Sergey NosovC-LL
D1038CC0A4405298
2019-08-03Jon PaceNF
no factor from 2^73 to 2^74
2016-01-28AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2011-12-08JMGarciaC-LL
D1038CC0A4405298
2011-10-12JMGarciaNF-PM1
B1=525000, B2=6562500
2011-09-08megavinkNF
no factor from 2^70 to 2^71
2011-07-22TheJudgerNF
no factor from 2^69 to 2^70
2011-04-07Per JessenNF
no factor from 2^68 to 2^69
2009-05-07BGKNF
no factor from 2^67 to 2^68
2009-02-02stevecodyNF
no factor from 2^66 to 2^67
2009-01-29stevecodyNF
no factor from 2^65 to 2^66
2008-12-24Sturle SundeNF
no factor from 2^64 to 2^65
2008-12-151997rj7NF
no factor to 2^64