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
100428983TF
No factors below 276
TF target 276
P-1
B1 = 731000
B2 = 20869000
PRP
StatusDateUserResidueShiftTypeBase
Verified2020-10-21ky0uraku645F456479DA7D992511234313
History
DateUserTypeResult
2020-10-21firejugglerCERT
PRP Certification
CERT proof power = 9
Proof certified good
2020-10-21ky0urakuC-PRP
645F456479DA7D99
PRP proof power = 9
PRP: Verified
Proof certified good
2020-10-13ee33t1NF-PM1
B1=731000, B2=20869000, E=6
2020-08-17Bill StaffenNF
no factor from 2^75 to 2^76
2020-08-17Bill StaffenNF
no factor from 2^74 to 2^75
2020-03-15JoDuNF
no factor from 2^73 to 2^74
2020-03-15JoDuNF
no factor from 2^72 to 2^73
2017-03-13mikrNF
no factor from 2^71 to 2^72
2014-06-09PascalBieriNF
no factor from 2^70 to 2^71
2014-06-06PascalBieriNF
no factor from 2^69 to 2^70
2014-03-24LookASNF
no factor from 2^68 to 2^69
2013-08-22Per JessenNF
no factor from 2^67 to 2^68
2011-03-17Craig MeyersNF
no factor from 2^66 to 2^67
2011-02-13Craig MeyersNF
no factor from 2^65 to 2^66
2010-08-10OS1NF
no factor from 2^64 to 2^65
2010-01-191997rj7NF
no factor from 2^63 to 2^64