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
52945601Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 273
P-1
B1 = 615000
B2 = 14760000
LL
StatusDateUserResidueShift
Verified2011-12-31Arthur Rosenthal54370A90E41DD8A152321147
Verified2020-01-26Pankaj Sejwal54370A90E41DD8A148108254
History
DateUserTypeResult
2020-06-19-Anonymous-NF
no factor from 2^74 to 2^75
2020-01-26Pankaj SejwalC-LL
54370A90E41DD8A1
2019-07-10-Anonymous-NF
no factor from 2^73 to 2^74
2016-02-02AirSquirrelsNF
no factor from 2^72 to 2^73
2015-11-19Sid & AndyNF
no factor from 2^71 to 2^72
2015-07-07Mark RoseNF
no factor from 2^70 to 2^71
2014-09-30NesowaNF
no factor from 2^69 to 2^70
2011-12-31Arthur RosenthalC-LL
54370A90E41DD8A1
2010-11-30Fred CireraNF
no factor from 2^68 to 2^69
2010-11-25Justin P. RohrerNF-PM1
B1=615000, B2=14760000
2009-04-25Mike CurtisNF
no factor from 2^67 to 2^68
2008-12-22Sturle SundeNF
no factor from 2^66 to 2^67
2008-12-21lycornNF
no factor from 2^65 to 2^66
2008-12-14Sturle SundeNF
no factor from 2^64 to 2^65
2008-11-25DerekNF
no factor to 2^64