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
61017973TF
No factors below 274
TF target 274
P-1
B1 = 580000
B2 = 11745000
LL
StatusDateUserResidueShift
Verified2013-05-11Amazon EC24025418E6CEA094A1960725
Verified2022-03-04Andrey Mitrofanov4025418E6CEA094A21554550
History
DateUserTypeResult
2022-03-04Andrey MitrofanovC-LL
4025418E6CEA094A
2016-02-24AirSquirrelsNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^62 to 2^63
2013-05-11Amazon EC2C-LL
4025418E6CEA094A
2013-02-01HBendtzNF-PM1
B1=580000, B2=11745000, E=6
2013-01-13Jerry HallettNF
no factor from 2^71 to 2^73
2011-11-06XyzzyNF
no factor from 2^70 to 2^71
2011-11-06XyzzyNF
no factor from 2^69 to 2^70
2009-09-10Wolfgang StegerNF
no factor from 2^68 to 2^69
2009-04-05Sturle SundeNF
no factor from 2^67 to 2^68
2009-04-04Sturle SundeNF
no factor from 2^66 to 2^67
2009-04-03Cereal BusinessNF
no factor from 2^65 to 2^66
2009-03-31Cereal BusinessNF
no factor from 2^64 to 2^65
2009-03-30Cereal BusinessNF
no factor from 2^63 to 2^64