4 918 513 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
78696209	8	26.2	old
9077376133163634177671	22	72.9	2019-08-07 11:40:11

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	D926D9C16CD1966E	1	0	1	3
Verified (Factored)	2018-04-07	ATH	D926D9C16CD1966E	1	1412268	1	3
Verified	2019-08-08	Niels_Mache_Nextcloud	0F6E7622B31A790F	2	1727418	5	3
Verified	2019-08-09	marssystems	0F6E7622B31A790F	2	4859811	5	3

History

Date	User	Type	Result
2023-09-15	USAFSS	NF-PM1	B1=256000, B2=105522060
2019-08-09	marssystems	C-PRP	M4918513/78696209/9077376133163634177671 : 0F6E7622B31A790F PRP: Verified PRP without proof (not generated)
2019-08-08	Niels_Mache_Nextcloud	C-PRP	M4918513/78696209/9077376133163634177671 : 0F6E7622B31A790F PRP: Verified PRP without proof (not generated)
2019-08-07	MarkS	F-ECM	Factor: 9077376133163634177671 / (ECM curve 3, B1=50000, B2=5000000)
2018-04-07	ATH	C-PRP	M4918513/78696209 : D926D9C16CD1966E PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M4918513/78696209 : D926D9C16CD1966E PRP: Verified PRP without proof (not generated)