2 714 791 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
13360829616147729242809	23	73.5	2020-09-26 10:23:04

ECM

Digits	B1	Curves
25	50000	49 / 280

Estimated T-Level: 20.9 ⓘ

TF below 2^64 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Bob Ernst	1255177F826C75D4	0
Verified (Factored)	1999-05-02	Greg S. Johnson	1255177F826C75D4	2078212
Verified (Factored)	2018-08-04	kkmrkkblmbrbk	1255177F826C75D4	1433177

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-09-26	M Miller	7F04CDD6449F1326	1	1589756	5	3

History

Date	User	Type	Result
2020-09-26	Ben Delo	CERT	PRP Certification Proof certified good
2020-09-26	M Miller	C-PRP	M2714791/13360829616147729242809 : 7F04CDD6449F1326 PRP proof power = 7 PRP: Verified Proof certified good
2020-09-26	GAN	F-ECM	Factor: 13360829616147729242809 / (ECM curve 2, B1=50000, B2=5000000, Sigma=3764244819745240)
2019-02-11	chuenkit	NF	no factor from 2^67 to 2^68
2018-08-04	kkmrkkblmbrbk	C-LL	1255177F826C75D4
2017-09-29	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-09-22	mikr	NF-PM1	B1=2700000, B2=84000000, E=12
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2016-01-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-04-13	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-04-13	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-14	dbaugh	NF	no factor from 2^62 to 2^63
2012-04-27	Grant McCracken	NF	no factor from 2^61 to 2^62
2011-04-21	James Heinrich	NF-PM1	B1=185000, B2=4578750, E=6
2011-01-18	Joss	NF-PM1	B1=50000
2010-12-28	Joss	NF-PM1	B1=30000
2010-12-19	Joss	NF-PM1	B1=20000
2009-01-28	Sturle Sunde	NF	no factor from 2^60 to 2^61