140 951 159 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
2026-06-26	curtisc	PRP	PRP	91.20 %	2026-07-22	2026-07-24

P-1

B1 =	1201000
B2 =	1309082280

History

Date	User	Type	Result
2024-09-28	Luke Durant	NF-PM1	B1=1201000, B2=1309082280
2024-09-09	Ryan Propper	NF	no factor TF: 76-77
2024-02-25	tsc	NF	no factor TF: 75-76
2023-01-18	SRBase	NF	no factor TF: 74-75
2021-10-14	Neutron3529	NF	no factor TF: 73-74
2020-11-19	SRBase	NF	no factor TF: 72-73
2016-04-12	workerthread	NF	no factor TF: 71-72
2016-03-18	dbaugh	NF	no factor TF: 70-71
2015-05-20	Judge Hale	NF	no factor TF: 69-70
2015-05-20	Judge Hale	NF	no factor TF: 68-69
2015-05-20	Judge Hale	NF	no factor TF: 67-68
2015-02-17	Thomas Stork	NF	no factor TF: 66-67
2012-12-04	Richard	NF	no factor TF: 65-66
2010-12-13	Richard	NF	no factor TF: 64-65
2010-06-15	Torchwood Institute	NF	no factor TF: 63-64