63 294 767 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 =	890000
B2 =	19580000

Status	Date	User	Residue	Shift	Software
Verified	2014-07-03	Kyle Z Schmidt	9667D5A03DC65EA5	46320658	Windows 64-bit,Prime95,v27.9,build 1
Verified	2023-01-02	rick	9667D5A03DC65EA5	17574822	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2023-01-02	rick	C-LL	9667D5A03DC65EA5
2022-12-14	La Güira	NF	no factor TF: 74-75
2016-02-23	Mark Rose	NF	no factor TF: 59-63
2014-07-03	Kyle Z Schmidt	C-LL	9667D5A03DC65EA5
2013-08-13	Jerry Hallett	NF-PM1	B1=890000, B2=19580000, E=12
2013-08-11	MikeBerlin	NF	no factor TF: 73-74
2013-05-06	TheJudger	NF	no factor TF: 72-73
2013-05-06	TheJudger	NF	no factor TF: 71-72
2013-04-09	lycorn	NF	no factor TF: 70-71
2012-03-29	eon_blue_apocalypse	NF	no factor TF: 69-70
2009-10-26	Per Jessen	NF	no factor TF: 68-69
2009-10-17	Per Jessen	NF	no factor TF: 67-68
2009-10-12	Per Jessen	NF	no factor TF: 66-67
2009-10-03	Per Jessen	NF	no factor TF: 65-66
2009-09-26	Per Jessen	NF	no factor TF: 64-65
2009-02-15	Wojciech Florek	NF	no factor TF: 63-64
2003-07-30	Gordon Spence	NF	no factor TF: 1-59
1999-11-17	-anonymous-	NF	no factor TF: 1-50