2 174 611 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
1208631396913	13	40.1	old
8139621341982103	16	52.9	2014-08-27 11:13:55
323755815230463484146287	24	78.1	2022-06-04 18:44:51

ECM

Digits	B1	Curves
25	50000	91 / 280

Estimated T-Level: 21.6 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-10	kkmrkkblmbrbk	EE71C3E07A55EFCF	2	0	1	3
Verified (Factored)	2017-10-22	Oliver Kruse	EE71C3E07A55EFCF	2	2164593	1	3
Verified	2022-06-10	XZT	BAE25D633EEAFAF7	3	1017586	5	3

History

Date	User	Type	Result
2022-06-10	curtisc	CERT	PRP Certification Proof certified good
2022-06-10	XZT	C-PRP	M2174611/1208631396913/8139621341982103/323755815230463484146287 : BAE25D633EEAFAF7 PRP proof power = 7 PRP: Verified Proof certified good
2022-06-04	debrouxl	F-ECM	Factor: 323755815230463484146287 / (ECM curve 7, B1=50000, B2=7150000, Sigma=2018705950136607)
2017-10-22	Oliver Kruse	C-PRP	M2174611/1208631396913/8139621341982103 : EE71C3E07A55EFCF PRP: Verified (Factored) PRP without proof (not generated)
2017-10-10	kkmrkkblmbrbk	C-PRP	M2174611/1208631396913/8139621341982103 : EE71C3E07A55EFCF PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2014-08-27	TJAOI	F	Factor: 8139621341982103