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
55570813TF
No factors below 274
TF target 273
P-1
B1 = 660000
B2 = 17655000
LL
StatusDateUserResidueShift
Bad2012-02-03enrico78E94EDE544071D348690537
Bad2012-04-11enrico993D17E02A58C49948690537
Verified2015-07-23MadPoo4B08F921DC2D3C8A15251661
Verified2016-03-23AirSquirrels4B08F921DC2D3C8A45910137
Verified2016-03-25AirSquirrels4B08F921DC2D3C8A0
History
DateUserTypeResult
2016-03-25AirSquirrelsC-LL
4B08F921DC2D3C8A
2016-03-23AirSquirrelsC-LL
4B08F921DC2D3C8A
2016-01-04BloodIceNF
no factor from 2^73 to 2^74
2015-07-23MadPooC-LL
4B08F921DC2D3C8A
2015-07-21NRNF
no factor from 2^72 to 2^73
2012-04-11enricoC-LL
993D17E02A58C499
2012-02-03enricoC-LL
78E94EDE544071D3
2011-12-30Simon HarrisonNF
no factor from 2^71 to 2^72
2011-08-28TheJudgerNF
no factor from 2^70 to 2^71
2011-07-23Helmut ZulusNF
no factor from 2^69 to 2^70
2011-06-06-Anonymous-NF
no factor from 2^68 to 2^69
2011-05-08Scott CrawfordNF-PM1
B1=660000, B2=17655000
2009-07-18CalculoNF
no factor from 2^67 to 2^68
2009-03-24HardyP GermanyNF
no factor from 2^66 to 2^67
2009-03-09HardyP GermanyNF
no factor from 2^65 to 2^66
2009-03-05CPSlackerNF
no factor from 2^64 to 2^65
2008-07-21-Anonymous-NF
no factor to 2^64