2 184 209 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
97271563607	11	36.5	old
979520726254839865487	21	69.7	2022-06-15 09:58:55

ECM

Digits	B1	Curves
25	50000	119 / 280

Estimated T-Level: 22.1 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-09	Oliver Kruse	86E4DF45463AEAFE	1	0	1	3
Verified (Factored)	2017-11-19	kkmrkkblmbrbk	86E4DF45463AEAFE	1	345188	1	3
Verified	2022-06-18	_p95holder_	D6363390274C326A	2	1199861	5	3
Verified	2022-06-21	XZT	D6363390274C326A	2	1997912	5	3

History

Date	User	Type	Result
2022-06-21	ZFR	CERT	PRP Certification Proof certified good
2022-06-21	XZT	C-PRP	M2184209/97271563607/979520726254839865487 : D6363390274C326A PRP proof power = 7 PRP: Verified Proof certified good
2022-06-18	_p95holder_	C-PRP	M2184209/97271563607/979520726254839865487 : D6363390274C326A PRP: Verified PRP without proof (not generated)
2022-06-15	_p95holder_	F-ECM	Factor: 979520726254839865487 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-19	kkmrkkblmbrbk	C-PRP	M2184209/97271563607 : 86E4DF45463AEAFE PRP: Verified PRP without proof (not generated)
2017-10-09	Oliver Kruse	C-PRP	M2184209/97271563607 : 86E4DF45463AEAFE PRP: Verified PRP without proof (not generated)
2016-03-26	alpertron	NF-PM1	B1=500000, B2=15000000, E=12