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
101205631Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 1000000
B2 = 30000000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-22Ben DeloDD6196A4C8866D439252377213
History
DateUserTypeResult
2020-11-22Ben DeloCERT
PRP Certification
CERT proof power = 8
Proof certified good
2020-11-22Ben DeloC-PRP
DD6196A4C8866D43
PRP proof power = 8
PRP: Verified
Proof certified good
2020-11-20KrieselNF-PM1
B1=1000000, B2=30000000
2020-10-14Kevin JagetNF
no factor from 2^75 to 2^76
2020-10-14Kevin JagetNF
no factor from 2^74 to 2^75
2020-03-19Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-05el groccoNF
no factor from 2^72 to 2^73
2014-12-13SMoffatNF
no factor from 2^71 to 2^72
2014-10-10shaugeNF
no factor from 2^70 to 2^71
2014-10-09La GüiraNF
no factor from 2^69 to 2^70
2014-10-09La GüiraNF
no factor from 2^68 to 2^69
2014-10-09La GüiraNF
no factor from 2^67 to 2^68
2014-06-06ixfd64NF
no factor from 2^66 to 2^67
2011-09-20riccardo ubertiNF
no factor from 2^65 to 2^66
2010-08-12sasaki3NF
no factor from 2^64 to 2^65
2010-03-151997rj7NF
no factor from 2^63 to 2^64