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
51908281TF
No factors below 273
TF target 273
P-1
B1 = 615000
B2 = 17835000
LL
StatusDateUserResidueShift
Verified2012-10-08Stephan GruppE1B24D8690BAB03C46646629
Verified2019-05-11dcromsterE1B24D8690BAB03C23724126
History
DateUserTypeResult
2019-05-11dcromsterC-LL
E1B24D8690BAB03C
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2016-01-12AirSquirrelsNF
no factor from 2^72 to 2^73
2012-10-08Stephan GruppC-LL
E1B24D8690BAB03C
2012-04-06Craig MeyersNF
no factor from 2^69 to 2^72
2010-12-07Aleksey OsadchiyNF
no factor from 2^68 to 2^69
2010-12-01S485122NF-PM1
B1=615000, B2=17835000, E=12
2009-04-20Mike CurtisNF
no factor from 2^67 to 2^68
2009-02-04Son JohanNF
no factor from 2^66 to 2^67
2009-02-04Son JohanNF
no factor from 2^65 to 2^66
2009-02-03Son JohanNF
no factor from 2^64 to 2^65
2009-02-01Arjen RodenhuisNF
no factor from 2^63 to 2^64