142 869 329 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
2026-08-24	iczerjones	PRP	PRP	46.63 %	2026-10-25	2026-11-04

P-1

B1 =	1229000
B2 =	1464137070

History

Date	User	Type	Result
2024-10-04	Luke Durant	NF-PM1	B1=1229000, B2=1464137070
2024-10-04	Richard	NF	no factor TF: 76-77
2024-02-06	1997rj7	NF	no factor TF: 75-76
2023-01-25	SRBase	NF	no factor TF: 74-75
2021-11-08	SRBase	NF	no factor TF: 73-74
2020-11-16	SRBase	NF	no factor TF: 72-73
2016-06-04	tmorrow	NF	no factor TF: 71-72
2016-05-24	Mihai Preda	NF	no factor TF: 70-71
2016-04-24	Mihai Preda	NF	no factor TF: 69-70
2016-04-15	Mihai Preda	NF	no factor TF: 68-69
2016-03-31	dbaugh	NF	no factor TF: 67-68
2015-04-26	yangyi	NF	no factor TF: 66-67
2012-12-12	sasaki3	NF	no factor TF: 65-66
2010-12-18	Matteo2D	NF	no factor TF: 64-65
2010-06-16	Charles A. Morris	NF	no factor TF: 63-64