80 129 341 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷⁶

TF target 2⁷⁵

P-1

B1 =	675000
B2 =	13668750

Status	Date	User	Residue	Shift	Software
Verified	2017-05-30	Nathan	46FE3A9B6676B4F8	48090971	Mac OS X 64-bit,Prime95,v28.7,build 1
Verified	2026-01-25	jingfired	46FE3A9B6676B4F8	3919223	Linux 64-bit,Prime95,v30.19,build 20

History

Date	User	Type	Result
2026-01-25	jingfired	C-LL	46FE3A9B6676B4F8
2025-07-18	Jarod McClintock	NF	no factor TF: 75-76
2024-06-25	Greg	NF	no factor TF: 71-72
2017-05-30	Nathan	C-LL	46FE3A9B6676B4F8
2016-12-09	bam	NF-PM1	B1=675000, B2=13668750
2016-09-03	AirSquirrels	NF	no factor TF: 74-75
2016-09-03	AirSquirrels	NF	no factor TF: 73-74
2016-09-03	AirSquirrels	NF	no factor TF: 72-73
2014-11-09	Stef42	NF	no factor TF: 71-72
2013-05-31	PascalBieri	NF	no factor TF: 70-71
2013-03-07	wangyun183	NF	no factor TF: 69-70
2013-02-03	SMoffat	NF	no factor TF: 68-69
2013-01-30	rjbelans	NF	no factor TF: 67-68
2013-01-26	phoenicis	NF	no factor TF: 66-67
2011-03-06	-anonymous-	NF	no factor TF: 65-66
2010-12-03	Architects Cubed	NF	no factor TF: 64-65