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
51856867TF
No factors below 274
TF target 273
P-1
B1 = 605000
B2 = 15276250
LL
StatusDateUserResidueShift
Verified2013-12-20Steve JacobsonB1B701CC9F7108257060370
Verified2019-07-28ConductorB1B701CC9F71082533866073
History
DateUserTypeResult
2019-07-28ConductorC-LL
B1B701CC9F710825
2019-07-02-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2016-01-09AirSquirrelsNF
no factor from 2^72 to 2^73
2013-12-20Steve JacobsonC-LL
B1B701CC9F710825
2012-05-14ktonyNF
no factor from 2^69 to 2^72
2011-05-20stratege8NF-PM1
B1=605000, B2=15276250
2010-03-20eon_blue_apocalypseNF
no factor from 2^68 to 2^69
2009-10-19BranMuffinNF
no factor from 2^67 to 2^68
2009-08-12evohnaveNF
no factor from 2^66 to 2^67
2009-08-10evohnaveNF
no factor from 2^65 to 2^66
2009-06-02markrNF
no factor from 2^64 to 2^65
2008-12-04James HintzNF
no factor from 2^63 to 2^64