View Single Post
Old 2016-04-17, 16:59   #6
a1call
 
a1call's Avatar
 
"Rashid Naimi"
Oct 2015
Remote to Here/There

2×3×17×19 Posts
Default

Quote:
Originally Posted by wblipp View Post
http://factordb.com/index.php?id=1100000000832503659

Factordb says that it is proven by N-1, although Factordb knows of no prime factors for N-1. It does know of two 4K+ composite factors. I've not seen this before - do you know more about this that might make sense?
Well the certificate says:

Quote:
[PRIMO - Primality Certificate]
Version=4.1.1 - LX64
So perhaps it's related to this thread:

http://www.mersenneforum.org/showthread.php?t=21069
a1call is offline   Reply With Quote