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
104381287Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 650000
B2 = 24000000
PRP
StatusDateUserResidueShiftTypeBase
Verified2021-06-20ky0urakuD4DE3A4A01BD7B7F4375849413
History
DateUserTypeResult
2021-06-20Ben DeloCERT
PRP Certification
CERT proof power = 9
Proof certified good
2021-06-20ky0urakuC-PRP
D4DE3A4A01BD7B7F
PRP proof power = 9
PRP: Verified
Proof certified good
2021-06-14KrieselNF-PM1
B1=650000, B2=24000000
2021-02-04TheJudgerNF
no factor from 2^75 to 2^76
2021-02-04TheJudgerNF
no factor from 2^74 to 2^75
2020-04-01SRBaseNF
no factor from 2^73 to 2^74
2020-03-08tscNF
no factor from 2^72 to 2^73
2017-12-31el groccoNF
no factor from 2^71 to 2^72
2014-12-30shaugeNF
no factor from 2^70 to 2^71
2014-05-15CSLatDDNF
no factor from 2^69 to 2^70
2014-05-10FCG PrimesNF
no factor from 2^68 to 2^69
2014-05-08Stef42NF
no factor from 2^67 to 2^68
2013-09-01RobishNF
no factor from 2^66 to 2^67
2012-05-05Mr-PlonkNF
no factor from 2^65 to 2^66
2010-08-27Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-18UngelovendeNF
no factor from 2^63 to 2^64