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
101219407Composite: proven not-prime with PRP test
TF
No factors below 276
TF target 276
P-1
B1 = 825000
B2 = 14231250
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-11-29ky0uraku1021A27E328BC5D8362406713
History
DateUserTypeResult
2020-11-29curtiscCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-11-29ky0urakuC-PRP
1021A27E328BC5D8
PRP proof power = 9
PRP: Verified
Proof certified good
2020-11-21ky0urakuNF-PM1
B1=825000, B2=14231250
2020-09-28Mark RoseNF
no factor from 2^75 to 2^76
2020-09-28Mark RoseNF
no factor from 2^74 to 2^75
2020-03-26Hans LoeblichNF
no factor from 2^73 to 2^74
2020-03-15el groccoNF
no factor from 2^72 to 2^73
2014-12-19SMoffatNF
no factor from 2^71 to 2^72
2014-05-28SatanNF
no factor from 2^70 to 2^71
2013-09-27-Anonymous-NF
no factor from 2^69 to 2^70
2013-09-24xiaowuc1NF
no factor from 2^68 to 2^69
2013-09-24xiaowuc1NF
no factor from 2^67 to 2^68
2013-09-23blin00NF
no factor from 2^66 to 2^67
2012-04-13Le ComteNF
no factor from 2^65 to 2^66
2010-08-12Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-03-211997rj7NF
no factor from 2^63 to 2^64