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
54455959Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 540000
B2 = 11610000
LL
StatusDateUserResidueShift
Verified2012-06-29VistaNerdB50D33D3F93C99CA35973839
Verified2020-05-16Ilya GutkovskiyB50D33D3F93C99CA19989996
History
DateUserTypeResult
2020-05-16Ilya GutkovskiyC-LL
B50D33D3F93C99CA
2019-07-14Mark RoseNF
no factor from 2^73 to 2^74
2016-02-07AirSquirrelsNF
no factor from 2^72 to 2^73
2012-06-29VistaNerdC-LL
B50D33D3F93C99CA
2012-06-07Paul HNF-PM1
B1=540000, B2=11610000, E=12
2012-01-23rlakeNF
no factor from 2^71 to 2^72
2012-01-23rlakeNF
no factor from 2^70 to 2^71
2011-10-13amberjrNF
no factor from 2^69 to 2^70
2011-05-07steinrarNF
no factor from 2^68 to 2^69
2009-05-08Mike CurtisNF
no factor from 2^67 to 2^68
2008-12-28Sturle SundeNF
no factor from 2^66 to 2^67
2008-12-27Sturle SundeNF
no factor from 2^65 to 2^66
2008-12-26Sturle SundeNF
no factor from 2^64 to 2^65
2008-12-151997rj7NF
no factor to 2^64
2008-06-26CorbyguyNF
no factor from 2^62 to 2^63