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
98813069Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 985000
B2 = 24378750
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-09-17ky0urakuBCF24647C1BC44A51796844213
History
DateUserTypeResult
2020-09-17Ben DeloCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-09-17ky0urakuC-PRP
BCF24647C1BC44A5
PRP proof power = 9
PRP: Verified
Proof certified good
2020-09-03Jon PaceNF
no factor from 2^76 to 2^77
2020-01-26TheJudgerNF
no factor from 2^75 to 2^76
2019-12-27riccardo ubertiNF
no factor from 2^74 to 2^75
2019-12-10Hans LoeblichNF
no factor from 2^73 to 2^74
2019-10-17Ryan PropperNF-PM1
B1=985000, B2=24378750, E=6
2019-03-27Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-13masserNF
no factor from 2^71 to 2^72
2014-03-17Risto A. PajuNF
no factor from 2^70 to 2^71
2014-03-17Risto A. PajuNF
no factor from 2^69 to 2^70
2014-03-17Risto A. PajuNF
no factor from 2^68 to 2^69
2014-03-17SMoffatNF
no factor from 2^67 to 2^68
2013-08-02SMoffatNF
no factor from 2^66 to 2^67
2013-07-29David CampeauNF
no factor from 2^65 to 2^66
2011-01-241997rj7NF
no factor from 2^64 to 2^65