142 262 789 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
2026-10-07	curtisc	PRP	PRP	32.66 %	2026-10-15	2026-10-24

P-1

B1 =	1209000
B2 =	1284900540

History

Date	User	Type	Result
2024-10-02	Luke Durant	NF-PM1	B1=1209000, B2=1284900540
2024-09-25	Ryan Propper	NF	no factor TF: 76-77
2024-07-17	SRBase	NF	no factor TF: 75-76
2023-01-25	SRBase	NF	no factor TF: 74-75
2021-11-07	SRBase	NF	no factor TF: 73-74
2020-10-25	SRBase	NF	no factor TF: 72-73
2016-09-25	masser	NF	no factor TF: 71-72
2016-08-21	Choi4KANG	NF	no factor TF: 70-71
2016-07-10	Choi4KANG	NF	no factor TF: 69-70
2016-06-05	Choi4KANG	NF	no factor TF: 68-69
2016-03-25	dbaugh	NF	no factor TF: 67-68
2015-02-23	aurashift	NF	no factor TF: 66-67
2012-12-08	AKAxAuto	NF	no factor TF: 65-66
2010-12-16	sasaki3	NF	no factor TF: 64-65
2010-06-17	garo	NF	no factor TF: 63-64