139 140 457 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

No known factors, not tested for primality

No factors below 2⁷⁷

TF target 2⁷⁷

Assignments

Assigned	User	Work Type	Stage	% Done	Updated	Est Complete	Expired
2026-01-27	Ryan Propper	PRP			2026-01-29	2026-01-31

P-1

B1 =	730000
B2 =	13322500

History

Date	User	Type	Result
2024-09-27	La Güira	NF-PM1	B1=730000, B2=13322500
2024-08-09	Luke Durant	NF	no factor TF: 76-77
2024-07-13	SRBase	NF	no factor TF: 75-76
2023-01-15	SRBase	NF	no factor TF: 74-75
2021-08-02	SRBase	NF	no factor TF: 73-74
2021-05-29	ViliamF	NF	no factor TF: 70-71
2020-11-24	SRBase	NF	no factor TF: 72-73
2016-03-30	josibo	NF	no factor TF: 71-72
2016-02-24	Josh Famestad	NF	no factor TF: 70-71
2015-02-06	La Güira	NF	no factor TF: 69-70
2015-02-06	La Güira	NF	no factor TF: 68-69
2015-02-06	La Güira	NF	no factor TF: 66-68
2012-11-21	sasaki3	NF	no factor TF: 65-66
2010-12-05	sasaki3	NF	no factor TF: 64-65
2010-06-13	Torchwood Institute	NF	no factor TF: 63-64