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
85224857Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 275
P-1
B1 = 680000
B2 = 12750000
PRP
StatusDateUserResidueShiftTypeBase
Verified2018-05-02Chun sung soo29E21C3F65A645A2493839413
Verified2022-04-27Conductor29E21C3F65A645A26443784613
History
DateUserTypeResult
2022-04-27curtiscCERT
PRP Certification
CERT proof power = 9
Proof certified good
2022-04-27ConductorC-PRP
29E21C3F65A645A2
PRP proof power = 9
PRP: Verified
Proof certified good
2018-05-02Chun sung sooC-PRP
29E21C3F65A645A2
PRP: Verified
PRP without proof (not generated)
2017-12-25ATHNF-PM1
B1=680000, B2=12750000
2017-08-20TheJudgerNF
no factor from 2^75 to 2^76
2017-08-191997rj7NF
no factor from 2^74 to 2^75
2017-04-28-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-26Strolling JellyfishNF
no factor from 2^72 to 2^73
2014-09-05Quantum SingularityNF
no factor from 2^71 to 2^72
2014-09-05Quantum SingularityNF
no factor from 2^70 to 2^71
2013-12-12GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-02-25Juergen KampmeierNF
no factor from 2^68 to 2^69
2013-02-18E.LechnerNF
no factor from 2^67 to 2^68
2013-02-03lastareasdelhogarNF
no factor from 2^65 to 2^67
2010-11-25Architects CubedNF
no factor from 2^64 to 2^65