9 128 653 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
54771919	8	25.7	old
13729494113	11	33.7	2008-09-08 05:24:50
2173545351531097	16	50.9	2014-06-12 11:39:34

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-06-30	Ivan M	13F715494D463DD3	3	4796852	5	3
Verified	2020-10-22	kutens	13F715494D463DD3	3	6996836	5	3

History

Date	User	Type	Result
2020-10-22	Jaron Wakley	CERT	PRP Certification Proof certified good
2020-10-22	kutens	C-PRP	M9128653/54771919/13729494113/2173545351531097 : 13F715494D463DD3 PRP proof power = 8 PRP: Verified Proof certified good
2019-06-30	Ivan M	C-PRP	M9128653/54771919/13729494113/2173545351531097 : 13F715494D463DD3 PRP: Verified PRP without proof (not generated)
2014-06-12	TJAOI	F	Factor: 2173545351531097
2008-09-08	Will Edgington	F	Factor: 13729494113