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
56420477TF
No factors below 274
TF target 273
P-1
B1 = 565000
B2 = 12288750
LL
StatusDateUserResidueShift
Bad2013-11-14-Anonymous-AAAE88F4BF2B2716476525
Verified2014-12-30Richard_PrairieFB4FD289A4DDAA4517414399
Verified2016-09-28AirSquirrelsFB4FD289A4DDAA450
History
DateUserTypeResult
2016-09-28AirSquirrelsC-LL
FB4FD289A4DDAA45
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2014-12-30Richard_PrairieC-LL
FB4FD289A4DDAA45
2014-09-21brilongNF
no factor from 2^73 to 2^74
2014-01-16kdgehmanNF
no factor from 2^72 to 2^73
2013-11-14-Anonymous-C-LL
AAAE88F4BF2B2716
2012-06-09owftheevilNF-PM1
B1=565000, B2=12288750, E=12
2012-05-13Craig MeyersNF
no factor from 2^71 to 2^72
2011-08-22Per JessenNF
no factor from 2^70 to 2^71
2011-06-26XyzzyNF
no factor from 2^69 to 2^70
2011-04-16vapaddyNF
no factor from 2^68 to 2^69
2010-01-23runeskNF
no factor from 2^67 to 2^68
2008-07-26Sturle SundeNF
no factor from 2^66 to 2^67
2008-07-26Sturle SundeNF
no factor from 2^65 to 2^66
2008-07-25Sturle SundeNF
no factor from 2^64 to 2^65
2008-07-23Sturle SundeNF
no factor from 2^63 to 2^64