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
101041219Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 845000
B2 = 17533750
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-12Ben Delo160DFA0D2F07972B8280784213
History
DateUserTypeResult
2020-11-12Chad Steenerson CERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-11-12Ben DeloC-PRP
160DFA0D2F07972B
PRP proof power = 8
PRP: Verified
Proof certified good
2020-11-11Ben DeloNF-PM1
B1=845000, B2=17533750, E=12
2020-03-05KrieselNF
no factor from 2^75 to 2^76
2020-03-05KrieselNF
no factor from 2^74 to 2^75
2020-03-05KrieselNF
no factor from 2^73 to 2^74
2020-03-05KrieselNF
no factor from 2^72 to 2^73
2014-12-16Ilya AlexandrovNF
no factor from 2^71 to 2^72
2014-12-16Ilya AlexandrovNF
no factor from 2^70 to 2^71
2014-12-16Ilya AlexandrovNF
no factor from 2^69 to 2^70
2014-12-16Ilya AlexandrovNF
no factor from 2^68 to 2^69
2014-12-16Ilya AlexandrovNF
no factor from 2^67 to 2^68
2014-08-28g0bNF
no factor from 2^66 to 2^67
2012-03-27c10ck3rNF
no factor from 2^65 to 2^66
2010-08-23RichardNF
no factor from 2^64 to 2^65
2010-02-091997rj7NF
no factor from 2^63 to 2^64