65 537 893 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 2⁷⁴

P-1

B1 =	585000
B2 =	11700000

Status	Date	User	Residue	Shift	Software
Verified	2013-09-18	Kyle Z Schmidt	85536D93B5483A70	1316938	Windows 64-bit,Prime95,v27.9,build 1
Verified	2023-04-08	Drew Russ	85536D93B5483A70	34338667	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2023-04-08	Drew Russ	C-LL	85536D93B5483A70
2022-03-19	tottenhoff	NF	no factor TF: 74-75
2016-03-29	Mark Rose	NF	no factor TF: 60-63
2013-09-18	Kyle Z Schmidt	C-LL	85536D93B5483A70
2013-08-25	Bdot	NF-PM1	B1=585000, B2=11700000, E=6
2013-07-31	Jerry Hallett	NF	no factor TF: 73-74
2013-06-01	TheJudger	NF	no factor TF: 72-73
2013-06-01	TheJudger	NF	no factor TF: 71-72
2013-06-01	TheJudger	NF	no factor TF: 70-71
2012-02-02	-anonymous-	NF	no factor TF: 69-70
2009-11-13	]mh[ Virtek	NF	no factor TF: 68-69
2009-11-09	Ungelovende	NF	no factor TF: 67-68
2009-11-07	Kobra	NF	no factor TF: 66-67
2009-11-05	Kobra	NF	no factor TF: 65-66
2009-11-03	Per Jessen	NF	no factor TF: 64-65
2009-01-14	Wojciech Florek	NF	no factor TF: 63-64
2004-06-04	1997rj7	NF	no factor TF: 1-60
2003-11-16	Gordon Spence	NF	no factor TF: 1-59