45 624 941 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 2⁷³

TF target 2⁷²

P-1

B1 =	555000
B2 =	15401250

Status	Date	User	Residue	Shift	Software
Verified	2009-08-04	Kyle Z Schmidt	2AFD357D457A12A3	4410849	Windows,Prime95,v25.9,build 4
Verified	2016-09-20	-anonymous-	2AFD357D457A12A3	4643124	Windows 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2017-12-19	ktony	NF	no factor TF: 72-73
2016-09-20	-anonymous-	C-LL	2AFD357D457A12A3
2016-02-23	Mark Rose	NF	no factor TF: 63-64
2015-11-06	-anonymous-	NF	no factor TF: 71-72
2015-11-06	-anonymous-	NF	no factor TF: 70-71
2015-07-09	David Campeau	NF	no factor TF: 69-70
2014-09-02	Andrew B	NF	no factor TF: 68-69
2009-08-04	Kyle Z Schmidt	C-LL	2AFD357D457A12A3
2009-06-06	Kyle Z Schmidt	NF-PM1	B1=555000, B2=15401250
2007-12-18	Christoph	NF	no factor TF: 65-66
2007-12-18	Christoph	NF	no factor TF: 66-67
2007-12-18	Christoph	NF	no factor TF: 64-65
2007-12-18	Christoph	NF	no factor TF: 67-68
2007-01-16	1997rj7	NF	no factor TF: 1-63
2000-12-14	Joss	NF	no factor TF: 1-56