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
98840711Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 985000
B2 = 24378750
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-09-01ky0uraku89D95C78248137CE4951077213
History
DateUserTypeResult
2020-09-02Ben DeloCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-09-01ky0urakuC-PRP
89D95C78248137CE
PRP proof power = 9
PRP: Verified
Proof certified good
2020-02-06TheJudgerNF
no factor from 2^76 to 2^77
2020-01-26TheJudgerNF
no factor from 2^75 to 2^76
2019-12-26riccardo ubertiNF
no factor from 2^74 to 2^75
2019-12-10ixfd64NF
no factor from 2^73 to 2^74
2019-10-17Ryan PropperNF-PM1
B1=985000, B2=24378750, E=6
2019-03-26Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-07-22masserNF
no factor from 2^71 to 2^72
2014-06-02Preben SNF
no factor from 2^70 to 2^71
2014-05-27TaxythingyNF
no factor from 2^69 to 2^70
2014-03-17SMoffatNF
no factor from 2^68 to 2^69
2013-10-19Eugene ThorneNF
no factor from 2^67 to 2^68
2013-10-15RobishNF
no factor from 2^66 to 2^67
2013-07-31David CampeauNF
no factor from 2^65 to 2^66
2011-01-031997rj7NF
no factor from 2^64 to 2^65