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
118847497TF
No factors below 277
TF target 276
P-1
B1 = 647000
B2 = 52561470
PRP
StatusDateUserResidueShiftTypeBase
compositeVerified2024-03-23ky0urakuA385F155D5815E4F5295315313
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^71 to 2^72
2024-03-24ANONYMOUSCERT
PRP Certification
CERT proof power = 9
Proof certified good
2024-03-23ky0urakuC-PRP
A385F155D5815E4F
PRP proof power = 9
PRP: Verified
Proof certified good
2024-02-10firejugglerNF-PM1
B1=647000, B2=52561470
2021-12-29voidfNF
no factor from 2^76 to 2^77
2021-06-21KrieselNF
no factor from 2^75 to 2^76
2021-05-15hktNF
no factor from 2^74 to 2^75
2019-06-01Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2017-11-12snme2pm1NF
no factor from 2^72 to 2^73
2015-07-15Josh FamestadNF
no factor from 2^71 to 2^72
2015-03-02snme2pm1NF
no factor from 2^70 to 2^71
2014-09-26snme2pm1NF
no factor from 2^69 to 2^70
2014-09-26snme2pm1NF
no factor from 2^68 to 2^69
2014-07-10snme2pm1NF
no factor from 2^67 to 2^68
2014-06-19snme2pm1NF
no factor from 2^66 to 2^67
2012-07-25RichardNF
no factor from 2^65 to 2^66
2010-10-15Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-14Torchwood InstituteNF
no factor from 2^63 to 2^64