2 282 393 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
672575569241	12	39.3	old
33797646950116438358063	23	74.8	2022-08-03 09:52:37

ECM

Digits	B1	Curves
25	50000	76 / 280

Estimated T-Level: 21.4 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-11	Oliver Kruse	4A26D4901FF779A0	1	0	1	3
Verified (Factored)	2017-11-22	kkmrkkblmbrbk	4A26D4901FF779A0	1	1334361	1	3
Verified	2022-08-04	Wentao Huang	055DC2BD2893C37F	2	1545248	5	3

History

Date	User	Type	Result
2022-08-04	Marek	CERT	PRP Certification Proof certified good
2022-08-04	Wentao Huang	C-PRP	M2282393/672575569241/33797646950116438358063 : 055DC2BD2893C37F PRP proof power = 7 PRP: Verified Proof certified good
2022-08-03	_p95holder_	F-ECM	Factor: 33797646950116438358063 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-22	kkmrkkblmbrbk	C-PRP	M2282393/672575569241 : 4A26D4901FF779A0 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2282393/672575569241 : 4A26D4901FF779A0 PRP: Verified (Factored) PRP without proof (not generated)
2016-04-12	alpertron	NF-PM1	B1=500000, B2=15000000, E=12