7 238 969 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
1484639988471977358071	22	70.3	2012-08-01 20:09:36

Status	Date	User	Residue	Shift
Verified (Factored)	1999-05-23	Wayne Beardsley	D5B37766F9B816BD	1813303
Verified (Factored)	2002-06-15	Ars Technica Team Prime Rib	D5B37766F9B816BD	5946589

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-02-22	Oliver Kruse	4047C1BE22E8A3F2	1	4807841	5	3
Verified	2019-04-16	marssystems	4047C1BE22E8A3F2	1	2822038	5	3

P-1 factors

Date	Factor	B1	B2
2012-08-01	1484639988471977358071	90000	1620000

History

Date	User	Type	Result
2019-04-16	marssystems	C-PRP	M7238969/1484639988471977358071 : 4047C1BE22E8A3F2 PRP: Verified PRP without proof (not generated)
2018-02-22	Oliver Kruse	C-PRP	M7238969/1484639988471977358071 : 4047C1BE22E8A3F2 PRP: Verified PRP without proof (not generated)
2012-08-01	Squeeky_Squirrel	F-PM1	Factor: 1484639988471977358071