64 384 267 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 =	580000
B2 =	11310000

Status	Date	User	Residue	Shift	Software
Verified	2014-11-15	curtisc	36A228FD660FA33E	29080014	Windows Service,Prime95,v27.9,build 1
Verified	2021-12-25	lajo321	36A228FD660FA33E	9746664	Linux 64-bit,Prime95,v30.7,build 9
Verified	2022-12-08	Reed_Young	36A228FD660FA33E	46422062	Linux 64-bit,Prime95,v26.6,build 3

History

Date	User	Type	Result
2022-12-08	Reed_Young	C-LL	36A228FD660FA33E
2021-12-25	lajo321	C-LL	36A228FD660FA33E
2019-09-13	Sid & Andy	NF	no factor TF: 74-75
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2014-11-15	curtisc	C-LL	36A228FD660FA33E
2013-07-04	kvizbar	NF-PM1	B1=580000, B2=11310000
2013-04-02	marssystems	NF	no factor TF: 73-74
2013-04-02	marssystems	NF	no factor TF: 72-73
2013-04-02	marssystems	NF	no factor TF: 71-72
2013-04-02	marssystems	NF	no factor TF: 70-71
2012-05-18	tmorrow	NF	no factor TF: 69-70
2009-09-21	eon_blue_apocalypse	NF	no factor TF: 68-69
2009-03-21	Koekie	NF	no factor TF: 67-68
2009-03-19	arnaud	NF	no factor TF: 66-67
2009-03-18	tmorrow	NF	no factor TF: 65-66
2009-03-15	Igor	NF	no factor TF: 64-65
2009-03-11	-anonymous-	NF	no factor TF: 63-64
2004-01-18	AxelFox	NF	no factor TF: 1-60
2003-09-14	Gordon Spence	NF	no factor TF: 1-59