45 208 441 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

TF

No factors below 2⁷³

TF target 2⁷²

P-1

B1 =	1000000
B2 =	20000000

Status	Date	User	Residue	Shift
Verified	2010-02-11	Earl F Glynn	DEA7790DD0BF750C	40473058
Verified	2018-05-20	Sergey Nosov	DEA7790DD0BF750C	7315350

History

Date	User	Type	Result
2024-05-19	Naegi Makoto	NF	no factor from 2^69 to 2^70
2019-02-10	Sid & Andy	NF-PM1	B1=1000000, B2=20000000, E=6
2018-05-20	Sergey Nosov	C-LL	DEA7790DD0BF750C
2017-11-05	TheJudger	NF	no factor from 2^72 to 2^73
2015-11-06	-Anonymous-	NF	no factor from 2^71 to 2^72
2015-11-06	-Anonymous-	NF	no factor from 2^70 to 2^71
2015-08-31	Carsten Kossendey	NF	no factor from 2^69 to 2^70
2014-08-01	Andrew B	NF	no factor from 2^68 to 2^69
2010-02-11	Earl F Glynn	C-LL	DEA7790DD0BF750C
2009-07-15	-Anonymous-	NF-PM1	B1=765000