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
112871383Composite: proven not-prime with PRP test
TF
No factors below 277
TF target 276
P-1
B1 = 515000
B2 = 19034000
PRP
StatusDateUserResidueShiftTypeBase
Verified2023-04-29Ruslan Borisov8F27A7F17161190B8176488813
History
DateUserTypeResult
2023-04-29La GüiraCERT
PRP Certification
CERT proof power = 10
Proof certified good
2023-04-29Ruslan BorisovC-PRP
8F27A7F17161190B
PRP proof power = 10
PRP: Verified
Proof certified good
2022-03-27Ryan PropperNF-PM1
B1=515000, B2=19034000
2020-12-18arpcarNF
no factor from 2^76 to 2^77
2020-12-04arpcarNF
no factor from 2^75 to 2^76
2020-11-25arpcarNF
no factor from 2^74 to 2^75
2020-07-24tscNF
no factor from 2^73 to 2^74
2020-04-21SRBaseNF
no factor from 2^72 to 2^73
2013-10-09processinfoNF
no factor from 2^71 to 2^72
2013-10-09processinfoNF
no factor from 2^70 to 2^71
2013-10-09processinfoNF
no factor from 2^69 to 2^70
2013-10-09processinfoNF
no factor from 2^68 to 2^69
2013-10-09processinfoNF
no factor from 2^66 to 2^68
2012-06-10JDGIMPSNF
no factor from 2^65 to 2^66
2010-09-27lindedNF
no factor from 2^64 to 2^65
2010-05-05Torchwood InstituteNF
no factor from 2^63 to 2^64