80 490 829 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 2⁷⁵

TF target 2⁷⁵

P-1

B1 =	700000
B2 =	13650000

Status	Date	User	Residue	Shift	Software
Bad	2017-08-09	Hinesp	83B5783DADFB52E2	30792846	Windows 64-bit,Prime95,v28.5,build 2
Verified	2018-10-24	ATH	3BCECEA38B2DAED9	40252576	CUDALucas v2.06beta
Verified	2019-04-21	endless_mike	3BCECEA38B2DAED9	47980211	Linux 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2019-04-21	endless_mike	C-LL	3BCECEA38B2DAED9
2018-10-24	ATH	C-LL	3BCECEA38B2DAED9
2017-08-09	Hinesp	C-LL	83B5783DADFB52E2
2017-03-07	La Güira	NF-PM1	B1=700000, B2=13650000
2016-10-28	Brian Beuning	NF	no factor TF: 74-75
2016-10-16	Judge Hale	NF	no factor TF: 73-74
2016-05-11	Judge Hale	NF	no factor TF: 72-73
2016-05-11	Judge Hale	NF	no factor TF: 71-72
2013-06-04	SMoffat	NF	no factor TF: 70-71
2013-03-19	-anonymous-	NF	no factor TF: 69-70
2013-03-07	Roberto Arcieri	NF	no factor TF: 68-69
2013-01-30	phoenicis	NF	no factor TF: 67-68
2011-04-02	carlos56	NF	no factor TF: 66-67
2011-03-26	andorra	NF	no factor TF: 65-66
2010-12-10	Architects Cubed	NF	no factor TF: 64-65