4 834 231 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
15097599307229829569	20	63.7	2017-04-18 11:17:55
16354555660418892193	20	63.8	2017-05-18 12:20:50
6836096688125586082916881	25	82.5	2010-04-04 01:46:51

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)	1998-07-11	Lutz Nebe	9F3A1332968BAD47	0
Verified (Factored)	2000-03-15	Michael Weinbrenner	9F3A1332968BAD47	4763286

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	alpertron	514E786D5C195A68	3	0	1	3
Verified	2018-01-08	kkmrkkblmbrbk	514E786D5C195A68	3	2722566	1	3

History

Date	User	Type	Result
2023-04-12	Kevin_9611	NF-PM1	B1=320000, B2=224341260
2018-01-08	kkmrkkblmbrbk	C-PRP	M4834231/6836096688125586082916881/15097599307229829569/16354555660418892193 : 514E786D5C195A68 PRP: Verified PRP without proof (not generated)
2017-09-28	alpertron	C-PRP	M4834231/15097599307229829569/16354555660418892193/6836096688125586082916881 : 514E786D5C195A68 PRP: Verified PRP without proof (not generated)
2017-05-18	TJAOI	F	Factor: 16354555660418892193 / TF: 63-64
2017-04-18	TJAOI	F	Factor: 15097599307229829569 / TF: 63-64
2010-04-04	Aca Arsov	F-ECM	Factor: 6836096688125586082916881
2009-08-31	Carsten Kossendey	NF-PM1	B1=30000, B2=435000