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
168779323TF
No factors below 280
TF target 278
P-1
B1 = 1420000
B2 = 90961000
History
DateUserTypeResult
2023-02-20Tucker KaoNF
no factor from 2^79 to 2^80
2021-12-25Tucker KaoNF
no factor from 2^78 to 2^79
2021-05-13Tucker KaoNF
no factor from 2^77 to 2^78
2021-05-12David KirkbyNF-PM1
B1=1420000, B2=90961000
2021-05-06Tucker KaoNF
no factor from 2^76 to 2^77
2021-05-01Tucker KaoNF
no factor from 2^75 to 2^76
2021-04-26Tucker KaoNF
no factor from 2^74 to 2^75
2021-04-26Tucker KaoNF
no factor from 2^73 to 2^74
2018-08-29RichardNF
no factor from 2^72 to 2^73
2018-08-24RichardNF
no factor from 2^71 to 2^72
2018-08-19Smok_bmv NF
no factor from 2^70 to 2^71
2018-02-18ZenghuiNF
no factor from 2^69 to 2^70
2017-05-03rubikvn2100NF
no factor from 2^68 to 2^69
2016-04-07XZTNF
no factor from 2^67 to 2^68
2015-06-08etoomarNF
no factor from 2^66 to 2^67
2013-03-26MucolNF
no factor from 2^65 to 2^66
2011-02-18abcNF
no factor from 2^64 to 2^65
2010-07-11RichardNF
no factor from 2^63 to 2^64