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
112278407Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 512000
B2 = 19326000
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-03-07Ruslan BorisovC75008DF621DD3486713312913
History
DateUserTypeResult
2023-03-07Will KCERT
PRP Certification
CERT proof power = 10
Proof certified good
2023-03-07Ruslan BorisovC-PRP
C75008DF621DD348
PRP proof power = 10
PRP: Verified
Proof certified good
2022-04-22Ryan PropperNF-PM1
B1=512000, B2=19326000
2021-05-30Ryan PropperNF
no factor from 2^76 to 2^77
2021-01-17arpcarNF
no factor from 2^75 to 2^76
2021-01-14arpcarNF
no factor from 2^74 to 2^75
2020-09-26LOBESNF
no factor from 2^73 to 2^74
2020-04-21SRBaseNF
no factor from 2^72 to 2^73
2019-01-05Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-11-16shaugeNF
no factor from 2^70 to 2^71
2014-11-16shaugeNF
no factor from 2^69 to 2^70
2014-11-16shaugeNF
no factor from 2^68 to 2^69
2014-11-16shaugeNF
no factor from 2^67 to 2^68
2013-10-10Fabrice BelletNF
no factor from 2^66 to 2^67
2012-08-04RichardNF
no factor from 2^65 to 2^66
2010-09-25DerekNF
no factor from 2^64 to 2^65
2010-07-10EPFNF
no factor from 2^63 to 2^64