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
79993427Composite: proven not-prime with PRP test
TF
No factors below 275
TF target 275
P-1
B1 = 745000
B2 = 15645000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-05-25ky0uraku4D7DB7DABC76C72C7512234913
Verified2020-05-24ATH4D7DB7DABC76C72C013
History
DateUserTypeResult
2020-05-24ATHC-PRP
4D7DB7DABC76C72C
PRP: Verified
PRP without proof (not generated)
2018-05-25ky0urakuC-PRP
4D7DB7DABC76C72C
PRP: Verified
PRP without proof (not generated)
2015-10-24ChuckNF
no factor from 2^74 to 2^75
2015-10-19TheJudgerNF-PM1
B1=745000, B2=15645000, E=6
2015-09-30ChuckNF
no factor from 2^73 to 2^74
2015-09-30ChuckNF
no factor from 2^72 to 2^73
2015-09-30ChuckNF
no factor from 2^71 to 2^72
2013-01-27Simon HarrisonNF
no factor from 2^70 to 2^71
2011-02-24ladenedgeNF
no factor from 2^69 to 2^70
2011-02-20ladenedgeNF
no factor from 2^68 to 2^69
2011-02-16-Anonymous-NF
no factor from 2^67 to 2^68
2011-02-15vapaddyNF
no factor from 2^66 to 2^67
2011-02-13symalladNF
no factor from 2^65 to 2^66
2010-12-02Architects CubedNF
no factor from 2^64 to 2^65
2009-05-30Architects CubedNF
no factor from 2^63 to 2^64