10 552 519 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
1726373783081988715769	22	70.5	2016-11-26 12:11:31

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)	2001-11-24	Rick Cummings	AC7BAB0C74FFA7C6	9028323
Verified (Factored)	2004-03-08	Matt Bassett	AC7BAB0C74FFA7C6	1806550

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-10-05	tottenhoff	25282E08B5EF062E	1	5526946	5	3
Verified	2021-03-09	XZT	25282E08B5EF062E	1	4823435	5	3

History

Date	User	Type	Result
2021-03-09	curtisc	CERT	PRP Certification Proof certified good
2021-03-09	XZT	C-PRP	M10552519/1726373783081988715769 : 25282E08B5EF062E PRP proof power = 8 PRP: Verified Proof certified good
2020-10-05	tottenhoff	C-PRP	M10552519/1726373783081988715769 : 25282E08B5EF062E PRP: Verified PRP without proof (not generated)
2016-11-26	ATH	F-ECM	Factor: 1726373783081988715769 / (ECM curve 1, B1=50000, B2=5000000)
2015-11-14	VictordeHollander	NF	no factor from 2^66 to 2^67
2015-05-07	Tha	NF	no factor from 2^65 to 2^66
2013-12-18	lycorn	NF	no factor from 2^64 to 2^65
2013-01-06	Nesowa	NF-PM1	B1=155000, B2=3000000, E=6