719 681 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
10008049094316858113	20	63.1	2010-02-10 11:54:58

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	100 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Ken Kriesel	1E61B281BDAACF85	0
Verified (Factored)		Simon Burge	1E61B281BDAACF85	0
Verified (Factored)		Brian J. Beesley	1E61B281BDAACF85	280487

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-27	Oliver Kruse	A743FAB040AFF031	1	0	1	3
Verified	2017-09-28	Oliver Kruse	A743FAB040AFF031	1	0	1	3
Verified	2017-11-09	kkmrkkblmbrbk	A743FAB040AFF031	1	112908	1	3
Unverified (Reliable)	2020-04-20	Oliver Kruse	87176FAA7A8A7A__	1	112775	5	3

History

Date	User	Type	Result
2020-04-20	Oliver Kruse	C-PRP	M719681/10008049094316858113 : 87176FAA7A8A7A__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-11-09	kkmrkkblmbrbk	C-PRP	M719681/10008049094316858113 : A743FAB040AFF031 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M719681/10008049094316858113 : A743FAB040AFF031 PRP: Unverified (Reliable) PRP without proof (not generated)
2017-09-27	Oliver Kruse	C-PRP	M719681/10008049094316858113 : A743FAB040AFF031 PRP: Unverified (Reliable) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2010-02-10	toji	F-ECM	Factor: 10008049094316858113
2008-11-30	Jayson King	NF-PM1	B1=5000000, B2=100000000, E=12
2008-10-11	Sturle Sunde	NF	no factor from 2^59 to 2^60
2008-10-11	Sturle Sunde	NF	no factor from 2^58 to 2^59