65 697 403 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 =	595000
B2 =	11751250

Status	Date	User	Residue	Shift	Software
Verified	2014-02-07	Kyle Z Schmidt	DE9A6816CA7CD516	16353685	Windows 64-bit,Prime95,v27.9,build 1
Verified	2022-09-13	lajo321	DE9A6816CA7CD516	508586	Linux 64-bit,Prime95,v30.8,build 16

History

Date	User	Type	Result
2022-09-13	lajo321	C-LL	DE9A6816CA7CD516
2021-08-11	tottenhoff	NF	no factor TF: 74-75
2016-03-28	Mark Rose	NF	no factor TF: 60-63
2014-02-07	Kyle Z Schmidt	C-LL	DE9A6816CA7CD516
2013-11-25	C.D.B.	NF-PM1	B1=595000, B2=11751250, E=6
2013-07-25	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
2012-01-29	Per Jessen	NF	no factor TF: 69-70
2009-11-30	arnaud	NF	no factor TF: 68-69
2009-11-14	Zachariassen	NF	no factor TF: 67-68
2009-11-13	Lollie	NF	no factor TF: 66-67
2009-11-08	blindwaves	NF	no factor TF: 65-66
2009-11-03	ANONYMOUS	NF	no factor TF: 64-65
2009-01-20	Wojciech Florek	NF	no factor TF: 63-64
2004-07-13	1997rj7	NF	no factor TF: 1-60
2003-11-16	Gordon Spence	NF	no factor TF: 1-59