141 308 443 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
2026-05-16	danspierre	PRP	PRP	73.18 %	2026-08-08	2026-08-15

P-1

B1 =	1211000
B2 =	1382797680

History

Date	User	Type	Result
2024-09-29	Luke Durant	NF-PM1	B1=1211000, B2=1382797680
2024-09-03	Poao	NF	no factor TF: 76-77
2024-07-17	SRBase	NF	no factor TF: 75-76
2023-01-21	SRBase	NF	no factor TF: 74-75
2021-11-04	SRBase	NF	no factor TF: 73-74
2020-10-25	SRBase	NF	no factor TF: 72-73
2017-04-26	StyM	NF	no factor TF: 71-72
2017-04-26	megavink	NF	no factor TF: 70-71
2017-03-04	Choi4KANG	NF	no factor TF: 69-70
2017-02-19	Choi4KANG	NF	no factor TF: 68-69
2016-03-18	dbaugh	NF	no factor TF: 67-68
2015-02-19	nikosz	NF	no factor TF: 66-67
2012-12-04	KYOJI_KAMEI	NF	no factor TF: 65-66
2010-12-18	alan145	NF	no factor TF: 64-65
2010-06-19	Richard	NF	no factor TF: 63-64