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
54438221TF
No factors below 274
TF target 273
P-1
B1 = 575000
B2 = 12937500
LL
StatusDateUserResidueShift
Verified2012-07-09curtisc6E33390AB87D0CAD8118384
Verified2021-03-11Syntony6E33390AB87D0CAD4678874
Verified2021-08-02rk3aqy6E33390AB87D0CAD47212165
History
DateUserTypeResult
2021-08-02rk3aqyC-LL
6E33390AB87D0CAD
2021-03-11SyntonyC-LL
6E33390AB87D0CAD
2019-07-21Mark RoseNF
no factor from 2^73 to 2^74
2016-01-31AirSquirrelsNF
no factor from 2^72 to 2^73
2012-07-09curtiscC-LL
6E33390AB87D0CAD
2012-06-02XyzzyNF
no factor from 2^71 to 2^72
2012-05-12Chun sung sooNF-PM1
B1=575000, B2=12937500, E=6
2011-08-01David CampeauNF
no factor from 2^70 to 2^71
2011-05-19eon_blue_apocalypseNF
no factor from 2^69 to 2^70
2009-06-12ANONYMOOSNF
no factor to 2^69
2009-05-23SAHS Science DeptNF
no factor from 2^67 to 2^68
2009-05-20HighFlyingPrimesNF
no factor from 2^66 to 2^67
2009-05-14Devin CampbellNF
no factor from 2^65 to 2^66
2009-05-11Sturle SundeNF
no factor from 2^64 to 2^65
2008-12-151997rj7NF
no factor to 2^64
2008-07-04CorbyguyNF
no factor from 2^62 to 2^63