1.How is the set of even numbers less than 100 is without a smallest element?

2.Please recommend a book to study number theory? Elementary number theory by Kenneth Rosen is not very easy to follow.

Thanks

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- Oct 26th 2012, 09:15 PMpravinNumber Theory
1.How is the set of even numbers less than 100 is without a smallest element?

2.Please recommend a book to study number theory? Elementary number theory by Kenneth Rosen is not very easy to follow.

Thanks - Oct 26th 2012, 09:30 PMMarkFLRe: Number Theory
For any element in the set, there is a smaller element found by subtracting 2 from it.

You may like "An Introduction to the Theory of Numbers" by G.H Hardy and E.M Wright.