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
165728567No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 855000
B2 = 40785780
History
DateUserTypeResult
2024-09-18Ryan PropperNF-PM1
B1=855000, B2=40785780
2024-09-13SRBaseNF
no factor from 2^75 to 2^76
2023-03-12SRBaseNF
no factor from 2^74 to 2^75
2021-12-21SRBaseNF
no factor from 2^73 to 2^74
2018-03-06ANONYMOUSNF
no factor from 2^72 to 2^73
2018-02-28ZenghuiNF
no factor from 2^71 to 2^72
2018-02-01ZenghuiNF
no factor from 2^70 to 2^71
2018-01-28nate.andersNF
no factor from 2^69 to 2^70
2017-04-16Andrew BNF
no factor from 2^68 to 2^69
2016-06-13RichardNF
no factor from 2^67 to 2^68
2015-05-26vwflat4NF
no factor from 2^66 to 2^67
2013-03-19RichardNF
no factor from 2^65 to 2^66
2011-02-11SaraNF
no factor from 2^64 to 2^65
2010-07-04carlos56NF
no factor from 2^63 to 2^64