13 192 483 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
85088399828200008669769	23	76.2	2016-06-06 07:04:56

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)	2003-02-16	Martin Fahlgren	06956C9348ED9CE1	8053407
Verified (Factored)	2005-01-10	David Meisenzahl	06956C9348ED9CE1	12061850

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-06-17	XZT	81ACA703EDABAA69	1	8843239	5	3

History

Date	User	Type	Result
2022-06-17	ZhiYuan	CERT	PRP Certification Proof certified good
2022-06-17	XZT	C-PRP	M13192483/85088399828200008669769 : 81ACA703EDABAA69 PRP proof power = 8 PRP: Verified Proof certified good
2022-06-10	nordi	NF-PM1	B1=300000, B2=210129150
2022-06-01	nordi	NF-PM1	B1=300000
2016-06-06	bam	F-ECM	Factor: 85088399828200008669769 / (ECM curve 1, B1=50000, B2=5000000)
2015-07-14	Nesowa	NF	no factor from 2^66 to 2^67
2014-05-26	Nesowa	NF	no factor from 2^65 to 2^66
2013-05-19	lycorn	NF	no factor from 2^64 to 2^65