141 759 721 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 2⁷⁷

TF target 2⁷⁷

P-1

B1 =	1221000
B2 =	1464137070

History

Date	User	Type	Result
2024-09-30	Luke Durant	NF-PM1	B1=1221000, B2=1464137070
2024-05-06	Greg	NF	no factor from 2^68 to 2^69
2022-02-13	GAN	NF	no factor from 2^76 to 2^77
2021-06-27	GAN	NF	no factor from 2^75 to 2^76
2021-06-27	GAN	NF	no factor from 2^74 to 2^75
2021-06-27	GAN	NF	no factor from 2^73 to 2^74
2020-10-25	SRBase	NF	no factor from 2^72 to 2^73
2016-07-11	CSLatDD	NF	no factor from 2^71 to 2^72
2016-07-05	guru	NF	no factor from 2^70 to 2^71
2016-07-05	guru	NF	no factor from 2^69 to 2^70
2016-04-13	Josh Famestad	NF	no factor from 2^68 to 2^69
2016-03-25	dbaugh	NF	no factor from 2^67 to 2^68
2015-02-23	riccardo uberti	NF	no factor from 2^66 to 2^67
2012-12-06	carlos56	NF	no factor from 2^65 to 2^66
2010-12-15	Architects Cubed	NF	no factor from 2^64 to 2^65
2010-06-15	oodaira	NF	no factor from 2^63 to 2^64