141 879 197 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
2026-09-25	0x	PRP			2026-09-26	2026-09-27

P-1

B1 =	1221000
B2 =	1459088070

History

Date	User	Type	Result
2024-10-01	Luke Durant	NF-PM1	B1=1221000, B2=1459088070
2024-09-17	Vili	NF	no factor TF: 76-77
2024-07-16	SRBase	NF	no factor TF: 75-76
2023-01-21	SRBase	NF	no factor TF: 74-75
2021-11-06	SRBase	NF	no factor TF: 73-74
2020-10-25	SRBase	NF	no factor TF: 72-73
2017-02-16	caddr	NF	no factor TF: 71-72
2017-02-12	guru	NF	no factor TF: 70-71
2017-02-11	JoDu	NF	no factor TF: 69-70
2017-02-05	JoDu	NF	no factor TF: 68-69
2016-03-25	dbaugh	NF	no factor TF: 67-68
2015-02-21	tsc	NF	no factor TF: 66-67
2012-12-06	AKAxAuto	NF	no factor TF: 65-66
2010-12-17	Richard	NF	no factor TF: 64-65
2010-06-16	James Hintz	NF	no factor TF: 63-64