140 455 177 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
2026-05-09	Tomas Babej	PRP	PRP	33.80 %	2026-05-13	2026-05-19

P-1

B1 =	1181000
B2 =	1370281770

History

Date	User	Type	Result
2024-09-26	Luke Durant	NF-PM1	B1=1181000, B2=1370281770
2024-09-02	Ryan Propper	NF	no factor TF: 76-77
2024-01-11	tsc	NF	no factor TF: 75-76
2023-01-21	SRBase	NF	no factor TF: 74-75
2021-11-02	SRBase	NF	no factor TF: 73-74
2020-10-27	SRBase	NF	no factor TF: 72-73
2017-08-03	Nguyen Huy Anh	NF	no factor TF: 71-72
2016-03-02	Ready4PrimeTime	NF	no factor TF: 70-71
2015-05-13	Judge Hale	NF	no factor TF: 69-70
2015-05-13	Judge Hale	NF	no factor TF: 68-69
2015-05-13	Judge Hale	NF	no factor TF: 67-68
2015-02-14	aurashift	NF	no factor TF: 66-67
2012-12-02	Richard	NF	no factor TF: 65-66
2010-12-10	sasaki3	NF	no factor TF: 64-65
2010-06-14	Charles A. Morris	NF	no factor TF: 63-64