7 850 839 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
1425818927179395048889	22	70.3	2012-08-29 18:18:10

Status	Date	User	Residue	Shift
Verified (Factored)	1999-08-16	John Kurnas	97813EE905C2ACCD	773004
Verified (Factored)	2003-04-27	Sam Fowler	97813EE905C2ACCD	7016003

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-05-23	axn	44F7196E6DD3EAAF	1	1354798	5	3
Verified	2019-10-25	marssystems	44F7196E6DD3EAAF	1	3824022	5	3

P-1 factors

Date	Factor	B1	B2
2012-08-29	1425818927179395048889	1000000	0

History

Date	User	Type	Result
2019-10-25	marssystems	C-PRP	M7850839/1425818927179395048889 : 44F7196E6DD3EAAF PRP: Verified PRP without proof (not generated)
2018-05-23	axn	C-PRP	M7850839/1425818927179395048889 : 44F7196E6DD3EAAF PRP: Verified PRP without proof (not generated)
2012-08-29	nextPrime	F-PM1	Factor: 1425818927179395048889