9 485 893 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
52468081244118870487	20	65.5	2014-09-17 01:41:01

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	2000-05-05	Brian	7D6D6BDE94FFAA5B	8031652
Verified (Factored)	2003-05-19	Kai-ming Poon	7D6D6BDE94FFAA5B	1183854

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-09-14	mnd9	7090F1977AF04C5D	1	4251830	5	3
Verified	2020-12-05	tanaydin	7090F1977AF04C5D	1	3703913	5	3

History

Date	User	Type	Result
2020-12-05	tanaydin	C-PRP	M9485893/52468081244118870487 : 7090F1977AF04C5D PRP: Verified PRP without proof (not generated)
2019-09-14	mnd9	C-PRP	M9485893/52468081244118870487 : 7090F1977AF04C5D PRP: Verified PRP without proof (not generated)
2014-09-17	swildner	F-ECM	Factor: 52468081244118870487 / (ECM curve 2, B1=50000, B2=5000000)
2013-09-04	Nesowa	NF	no factor from 2^64 to 2^65
2011-07-27	James Heinrich	NF-PM1	B1=180000, B2=3960000, E=6