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I'm pretty sure that U(30) = {1,7,11,13,17,19,23,29}. Just the numbers less than 30 that are coprime with 30.
 
I'm pretty sure that U(30) = {1,7,11,13,17,19,23,29}. Just the numbers less than 30 that are coprime with 30.
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--[[User:Sduttlin|Sduttlin]]

Revision as of 17:36, 12 February 2009


To do this one, I followed the example that Uli did in class last Thursday. It follows that and is pretty straightforward. --Podarcze 12:12, 9 February 2009 (UTC)


This might be a dumb question, but I'm a little confused about what {1,11} actually means. I thought it was just the set of the two numbers, but when I looked at the example 1 in chapter 7 I got a little confused. --Clwarner 21:11, 11 February 2009 (UTC)

I wasn't in class last Thursday, can anyone elaborate on the example Podarcze mentioned? --Bcaulkin 22:12, 11 February 2009 (UTC)

Question: I know this is silly but I am still a little confused on the meaning of U(30). Thanks! --Eraymond 12:57, 12 February 2009 (UTC)


I'm pretty sure that U(30) = {1,7,11,13,17,19,23,29}. Just the numbers less than 30 that are coprime with 30. --Sduttlin

Alumni Liaison

Ph.D. on Applied Mathematics in Aug 2007. Involved on applications of image super-resolution to electron microscopy

Francisco Blanco-Silva