43 012 877 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
22049276160685101967399	23	74.2	2020-11-13 16:57:59

Status	Date	User	Residue	Shift
Verified (Factored)	2008-10-05	David Sahnow	133634F6F5A6D568	39791786
Verified (Factored)	2016-08-12	Mikhail E. Golosov	133634F6F5A6D568	35623566

P-1 factors

Date	Factor	B1	B2
2020-11-13	22049276160685101967399	1500000	30000000

History

Date	User	Type	Result
2020-11-13	Sid & Andy	F-PM1	Factor: 22049276160685101967399 / (P-1, B1=1500000, B2=30000000)
2020-01-24	-Anonymous-	NF	no factor from 2^73 to 2^74
2018-12-25	-Anonymous-	NF	no factor from 2^72 to 2^73
2016-08-12	Mikhail E. Golosov	C-LL	133634F6F5A6D568
2015-09-18	fre_games	NF	no factor from 2^71 to 2^72
2015-05-01	Mark Rose	NF	no factor from 2^70 to 2^71
2014-12-01	Grant McCracken	NF	no factor from 2^69 to 2^70
2013-01-24	Carsten Kossendey	NF	no factor from 2^68 to 2^69