8 566 409 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
214873568010087374305703	24	77.5	2012-08-15 16:36:58

Status	Date	User	Residue	Shift
Verified (Factored)	2001-06-23	Tom Murphy 7	E2E895C5CA942B8E	5826385
Verified (Factored)	2003-04-03	loiserl	E2E895C5CA942B8E	2692517

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-11-23	rucio	943E8172EA4CE384	1	323061	5	3
Verified	2020-07-15	oodaira	943E8172EA4CE384	1	1853766	5	3

P-1 factors

Date	Factor	B1	B2
2012-08-15	214873568010087374305703	105000	2375000

History

Date	User	Type	Result
2020-07-15	oodaira	C-PRP	M8566409/214873568010087374305703 : 943E8172EA4CE384 PRP: Verified PRP without proof (not generated)
2018-11-23	rucio	C-PRP	M8566409/214873568010087374305703 : 943E8172EA4CE384 PRP: Verified PRP without proof (not generated)
2012-08-15	Nesowa	F-PM1	Factor: 214873568010087374305703