Fun with num3ers
Saturday, April 23, 2011
Edos test
Let S be a set of n + 1 integers from {1, 2, . . . , 2n}.
Prove that two of them are relatively prime.
First show that this can be avoided if S has only n numbers
http://people.cs.uchicago.edu/~laci/REU07/reupuzzles2.pdf
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