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
71708449TF
No factors below 276
TF target 274
P-1
B1 = 615000
B2 = 11992500
LL
StatusDateUserResidueShift
Verified2015-07-19ChikeECF44362CEB29A5335208188
Verified2023-06-26Semyon MusatovECF44362CEB29A5369201178
History
DateUserTypeResult
2023-06-26Semyon MusatovC-LL
ECF44362CEB29A53
2023-01-17tottenhoffNF
no factor from 2^75 to 2^76
2015-07-19ChikeC-LL
ECF44362CEB29A53
2015-05-07James HeinrichNF-PM1
B1=615000, B2=11992500, E=6
2015-04-26NickOfTimeNF
no factor from 2^74 to 2^75
2015-04-26NickOfTimeNF
no factor from 2^73 to 2^74
2015-03-09BdotNF
no factor from 2^72 to 2^73
2015-02-08srow7NF
no factor from 2^71 to 2^72
2014-05-06HBendtzNF
no factor from 2^70 to 2^71
2012-12-19Per JessenNF
no factor from 2^69 to 2^70
2010-05-13Jeff KetchersidNF
no factor from 2^68 to 2^69
2010-05-12SMoffatNF
no factor from 2^67 to 2^68
2010-05-07SMoffatNF
no factor from 2^66 to 2^67
2010-05-02Tim PearceNF
no factor from 2^65 to 2^66
2010-05-01Tim PearceNF
no factor from 2^64 to 2^65
2008-09-29-Anonymous-NF
no factor to 2^64