8 420 983 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
224510834698588311359	21	67.6	2013-06-12 12:06:25

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)	2000-02-01	Mark R Coffey	111E885AFADF9CC4	1580096
Verified (Factored)	2002-10-26	Jason Papadopoulos	111E885AFADF9CC4	2283854

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-10-30	Oliver Kruse	678E8B17AFD80F11	1	8118892	5	3
Verified	2020-05-26	Luigi Morelli	678E8B17AFD80F11	1	2650005	5	3

History

Date	User	Type	Result
2020-05-26	Luigi Morelli	C-PRP	M8420983/224510834698588311359 : 678E8B17AFD80F11 PRP: Verified PRP without proof (not generated)
2018-10-30	Oliver Kruse	C-PRP	M8420983/224510834698588311359 : 678E8B17AFD80F11 PRP: Verified PRP without proof (not generated)
2013-06-12	swildner	F-ECM	Factor: 224510834698588311359
2012-06-16	bcp19	NF-PM1	B1=100000, B2=1825000, E=6