178 813 223 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

No known factors, not tested for primality

TF

No factors below 2⁷⁶

TF target 2⁷⁸

History

Date	User	Type	Result
2024-10-01	SRBase	NF	no factor from 2^75 to 2^76
2023-03-31	SRBase	NF	no factor from 2^74 to 2^75
2022-01-04	SRBase	NF	no factor from 2^73 to 2^74
2018-10-01	Ruzovej	NF	no factor from 2^72 to 2^73
2018-03-30	Richard	NF	no factor from 2^71 to 2^72
2018-03-30	Richard	NF	no factor from 2^70 to 2^71
2018-03-27	The_Matrix	NF	no factor from 2^69 to 2^70
2017-05-22	BrionH	NF	no factor from 2^68 to 2^69
2016-06-26	ANONYMOUS	NF	no factor from 2^67 to 2^68
2015-07-16	sasaki	NF	no factor from 2^66 to 2^67
2013-04-26	sasaki3	NF	no factor from 2^65 to 2^66
2011-03-16	sasaki3	NF	no factor from 2^64 to 2^65
2010-07-23	Richard	NF	no factor from 2^63 to 2^64