142 651 277 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
2026-08-11	sudo_bayan	PRP	PRP	75.01 %	2026-10-03	2026-10-08

P-1

B1 =	833000
B2 =	84411180

History

Date	User	Type	Result
2024-10-04	Ryan Propper	NF-PM1	B1=833000, B2=84411180
2024-09-26	575kevkev	NF	no factor TF: 76-77
2024-04-24	1997rj7	NF	no factor TF: 75-76
2023-01-23	SRBase	NF	no factor TF: 74-75
2016-05-12	taffa	NF	no factor TF: 73-74
2016-05-12	taffa	NF	no factor TF: 72-73
2016-05-12	taffa	NF	no factor TF: 71-72
2016-05-11	uls	NF	no factor TF: 70-71
2016-04-15	Mihai Preda	NF	no factor TF: 69-70
2016-04-06	Naytan	NF	no factor TF: 68-69
2016-03-31	dbaugh	NF	no factor TF: 67-68
2015-02-24	aurashift	NF	no factor TF: 66-67
2012-12-11	fireredd	NF	no factor TF: 65-66
2010-12-20	James Hintz	NF	no factor TF: 64-65
2010-06-16	jonthomson	NF	no factor TF: 63-64