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
57248981TF
No factors below 274
TF target 273
P-1
B1 = 525000
B2 = 9581250
LL
StatusDateUserResidueShift
Bad2013-07-07-Anonymous-2248A6FB6CFD80032695085
Verified2014-09-28Chang Chia-Tche711224902657A7EB14918549
Verified2016-08-18AirSquirrels711224902657A7EB11049757
History
DateUserTypeResult
2016-08-18AirSquirrelsC-LL
711224902657A7EB
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2014-09-28Chang Chia-TcheC-LL
711224902657A7EB
2014-09-18Jerry HallettNF
no factor from 2^73 to 2^74
2013-07-07-Anonymous-C-LL
2248A6FB6CFD8003
2012-09-06Craig MeyersNF-PM1
B1=525000, B2=9581250
2012-08-21Kevin JagetNF
no factor from 2^72 to 2^73
2012-05-30Craig MeyersNF
no factor from 2^71 to 2^72
2011-06-17shaugeNF
no factor from 2^70 to 2^71
2011-06-17shaugeNF
no factor from 2^69 to 2^70
2011-04-26cesantoNF
no factor from 2^68 to 2^69
2009-05-26Sturle SundeNF
no factor from 2^67 to 2^68
2008-09-23Sturle SundeNF
no factor from 2^66 to 2^67
2008-09-22Sturle SundeNF
no factor from 2^65 to 2^66
2008-09-21Sturle SundeNF
no factor from 2^64 to 2^65
2008-09-21Sturle SundeNF
no factor from 2^63 to 2^64