5 453 557 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
779628670204106978678279	24	79.4	2015-07-17 03:48:01

ECM

Digits	B1	Curves
25	50000	4 / 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)	1998-09-06	Phil Brett	C13E939379A36FBE	0
Verified (Factored)	2000-08-10	Matthias Müller	C13E939379A36FBE	3761585

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-12-02	kkmrkkblmbrbk	B8804866BB47D7D2	1	173301	5	3
Verified	2018-06-26	ATH	B8804866BB47D7D2	1	3384988	5	3

History

Date	User	Type	Result
2018-06-26	ATH	C-PRP	M5453557/779628670204106978678279 : B8804866BB47D7D2 PRP: Verified PRP without proof (not generated)
2017-12-02	kkmrkkblmbrbk	C-PRP	M5453557/779628670204106978678279 : B8804866BB47D7D2 PRP: Verified PRP without proof (not generated)
2015-07-17	Sid & Andy	F-ECM	Factor: 779628670204106978678279
2014-12-30	monst	NF	no factor from 2^64 to 2^65
2014-12-30	snme2pm1	NF	no factor from 2^63 to 2^64
2010-11-02	Squeeky_Squirrel	NF-PM1	B1=60000, B2=960000, E=6
2009-05-09	GrunwalderGIMP	NF	no factor from 2^62 to 2^63