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
55282489TF
No factors below 274
TF target 273
P-1
B1 = 550000
B2 = 11825000
LL
StatusDateUserResidueShift
Verified2013-04-08Amazon EC2356E1C04B1CB045F52242045
Verified2020-05-22Micha356E1C04B1CB045F54821595
History
DateUserTypeResult
2020-05-22MichaC-LL
356E1C04B1CB045F
2019-03-31Luigi MorelliNF
no factor from 2^73 to 2^74
2016-01-22-Anonymous-NF
no factor from 2^72 to 2^73
2013-04-08Amazon EC2C-LL
356E1C04B1CB045F
2012-07-09Jerry HallettNF-PM1
B1=550000, B2=11825000, E=12
2012-07-02bcp19NF
no factor from 2^71 to 2^72
2011-06-17shaugeNF
no factor from 2^70 to 2^71
2011-06-17shaugeNF
no factor from 2^69 to 2^70
2011-04-09tmorrowNF
no factor from 2^68 to 2^69
2009-09-13tmorrowNF
no factor from 2^67 to 2^68
2009-09-10unconnectedNF
no factor from 2^66 to 2^67
2009-09-09riccardo ubertiNF
no factor from 2^65 to 2^66
2009-01-01LuftyNF
no factor from 2^64 to 2^65
2008-10-271997rj7NF
no factor to 2^64