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
56558023TF
No factors below 274
TF target 273
P-1
B1 = 670000
B2 = 18927500
LL
StatusDateUserResidueShift
Bad2012-10-07Ugo Marturano1298813014BF797552867651
Verified2014-07-02JPhilippe83C9C20DD30883098558916
Verified2016-11-15AirSquirrels83C9C20DD30883090
History
DateUserTypeResult
2018-11-09Architects CubedNF
no factor from 2^73 to 2^74
2016-11-15AirSquirrelsC-LL
83C9C20DD3088309
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2014-07-02JPhilippeC-LL
83C9C20DD3088309
2013-12-30kdgehmanNF
no factor from 2^72 to 2^73
2012-10-07Ugo MarturanoC-LL
1298813014BF7975
2011-11-12TheJudgerNF
no factor from 2^69 to 2^72
2011-10-05Frank RoeselNF
no factor from 2^68 to 2^69
2011-09-30-Anonymous-NF-PM1
B1=670000, B2=18927500
2009-05-20SellarNF
no factor from 2^67 to 2^68
2008-03-23Sturle SundeNF
no factor from 2^66 to 2^67
2008-03-22Sturle SundeNF
no factor from 2^65 to 2^66
2008-03-21arnaudNF
no factor from 2^64 to 2^65