924 709 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
709139214406447460750431081	27	89.2	2014-01-15 21:03:35

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)		Alex and Nick Myrman	137E	0
Verified (Factored)		David Slowinski	137E	0
Verified (Factored)	2001-08-31	Brian J. Beesley	DE1AF88754A5137E	465677
Verified (Factored)	2002-01-08	Marc Getty / Phil Fizur	DE1AF88754A5137E	509994

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	Oliver Kruse	EB9FE9A8EBDE0EE9	1	0	1	3
Verified	2017-10-14	Oliver Kruse	EB9FE9A8EBDE0EE9	1	167318	1	3
Verified	2017-12-21	ATH	EB9FE9A8EBDE0EE9	1	613666	1	3
Unverified (Reliable)	2020-04-23	Oliver Kruse	9883D119ACE9F3__	1	492555	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^60
2020-04-23	Oliver Kruse	C-PRP	M924709/709139214406447460750431081 : 9883D119ACE9F3__ PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-12-21	ATH	C-PRP	M924709/709139214406447460750431081 : EB9FE9A8EBDE0EE9 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-10-14	Oliver Kruse	C-PRP	M924709/709139214406447460750431081 : EB9FE9A8EBDE0EE9 PRP: Unverified (Reliable) PRP without proof (small exponent)
2017-09-28	Oliver Kruse	C-PRP	M924709/709139214406447460750431081 : EB9FE9A8EBDE0EE9 PRP: Unverified (Reliable) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=200000, B2=5000000, E=6
2014-01-15	alpertron	F-ECM	Factor: 709139214406447460750431081
2013-10-09	David Campeau	NF-PM1	B1=965000, B2=25090000, E=12
2011-10-22	Joss	NF-PM1	B1=735424
2011-07-13	Joss	NF-PM1	B1=220627
2011-06-03	Joss	NF-PM1	B1=200000
2010-05-18	Architects Cubed	NF	no factor from 2^60 to 2^61