172 603 217 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
2024-09-24	SRBase	NF	no factor from 2^75 to 2^76
2023-03-22	SRBase	NF	no factor from 2^74 to 2^75
2021-12-25	SRBase	NF	no factor from 2^73 to 2^74
2018-10-13	Richard	NF	no factor from 2^72 to 2^73
2018-10-09	Richard	NF	no factor from 2^71 to 2^72
2018-10-05	AcCalculator	NF	no factor from 2^70 to 2^71
2018-04-06	Zenghui	NF	no factor from 2^69 to 2^70
2016-09-28	nate.anders	NF	no factor from 2^68 to 2^69
2016-06-05	sasaki	NF	no factor from 2^67 to 2^68
2015-06-21	Mr-Plonk	NF	no factor from 2^66 to 2^67
2013-04-07	Arne Kleppestrand	NF	no factor from 2^65 to 2^66
2011-02-28	-Anonymous-	NF	no factor from 2^64 to 2^65
2010-07-12	sasaki3	NF	no factor from 2^63 to 2^64