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
98792417Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 985000
B2 = 24378750
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-09-14ky0uraku3661AD45DA4E5EFD2053125213
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^70 to 2^71
2020-09-14KrieselCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-09-14ky0urakuC-PRP
3661AD45DA4E5EFD
PRP proof power = 9
PRP: Verified
Proof certified good
2020-09-06RichD0NF
no factor from 2^76 to 2^77
2020-01-26TheJudgerNF
no factor from 2^75 to 2^76
2019-12-28riccardo ubertiNF
no factor from 2^74 to 2^75
2019-12-08el groccoNF
no factor from 2^73 to 2^74
2019-10-16Ryan PropperNF-PM1
B1=985000, B2=24378750, E=6
2019-03-29Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-03-18masserNF
no factor from 2^71 to 2^72
2015-04-06Josh FamestadNF
no factor from 2^70 to 2^71
2013-12-19-Anonymous-NF
no factor from 2^69 to 2^70
2013-12-16GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-08-16-Anonymous-NF
no factor from 2^67 to 2^68
2013-08-01SMoffatNF
no factor from 2^66 to 2^67
2013-07-27David CampeauNF
no factor from 2^65 to 2^66
2011-01-031997rj7NF
no factor from 2^64 to 2^65