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
55780817TF
No factors below 273
TF target 273
P-1
B1 = 660000
B2 = 17985000
LL
StatusDateUserResidueShift
Bad2014-01-29curtisc161B71798EE0E19729392313
Verified2014-02-24-Anonymous-814D8DA14F50A1BE41012042
Verified2016-09-23AirSquirrels814D8DA14F50A1BE37672454
History
DateUserTypeResult
2016-09-23AirSquirrelsC-LL
814D8DA14F50A1BE
2014-02-24-Anonymous-C-LL
814D8DA14F50A1BE
2014-01-30AxelssonNF
no factor from 2^72 to 2^73
2014-01-29curtiscC-LL
161B71798EE0E197
2012-06-17Jerry HallettNF
no factor from 2^71 to 2^72
2011-09-24GregNF
no factor from 2^70 to 2^71
2011-09-24GregNF
no factor from 2^69 to 2^70
2011-09-20James HeinrichNF-PM1
B1=660000, B2=17985000, E=12
2011-04-09S00030NF
no factor from 2^68 to 2^69
2009-05-19willmoreNF
no factor from 2^67 to 2^68
2009-01-10kutensNF
no factor from 2^66 to 2^67
2009-01-09Swift1NF
no factor from 2^65 to 2^66
2009-01-06Swift1NF
no factor from 2^64 to 2^65
2008-10-21-Anonymous-NF
no factor to 2^64