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Old 2013-06-12, 18:20   #2
science_man_88
 
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Jul 2009
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Quote:
Originally Posted by CRGreathouse View Post
This is similar to my last question here. Where can I look up known factors of (possibly large) Mersenne numbers? For example, I am interested to know if any factors are known for 2^1277 - 1. I didn't see any on factordb.com but there are probably other resources.

Of course none may be known but I'd like to be a bit more thorough in my checking.
http://www.mersenne.ca/manyfactors.php

may be of help, above 10 factor I'm not sure.
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