14 317 957 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
648589572058631194249	21	69.1	2016-10-05 20:51:08

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

TF below 2^61 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	2002-03-10	Mike Faunce	8D41949D4AE99AD3	5276364
Verified (Factored)	2005-05-12	Ars Technica Team Prime Rib	8D41949D4AE99AD3	12757883

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2023-01-26	LordJulius	F3DFC8E6BBE3CE8F	1	11495875	5	3

History

Date	User	Type	Result
2023-01-26	Yeakomeister	CERT	PRP Certification Proof certified good
2023-01-26	LordJulius	C-PRP	M14317957/648589572058631194249 : F3DFC8E6BBE3CE8F PRP proof power = 8 PRP: Verified Proof certified good
2023-01-10	nordi	NF-PM1	B1=300000, B2=214790940
2022-11-10	nordi	NF-PM1	B1=300000
2016-10-05	Sergey Nosov	F-ECM	Factor: 648589572058631194249 / (ECM curve 1, B1=50000, B2=5000000)
2015-09-03	Tha	NF	no factor from 2^66 to 2^67
2014-08-14	Nesowa	NF	no factor from 2^65 to 2^66