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# Proofs regarding Fermat numbers

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The Fermat numbers are numbers of the form 2 ^2n + 1 = &#934;n . Prove that if n < m , then Î¦n â”‚Ï• m - 2.

The Fermat numbers are numbers of the form 2 ^2n + 1 = (Phi)n . Prove that if n < m , then (Phi)n â”‚(Phi)m - 2.

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#### Solution Summary

This solution is comprised of a detailed explanation for solving the problems on Fermat numbers.
It contains step-by-step explanation for proving statement that if n < m , then Î¦n â”‚Î¦m - 2,
where Î¦n is the Fermat numbers such that Î¦n = 2 ^2n + 1.
It contains step-by-step explanation for proving statement that if n < m , then (Phi)n â”‚(Phi)m - 2,
where (Phi)n is the Fermat numbers such that (Phi)n = 2 ^2n + 1.

Solution contains detailed step-by-step explanation.

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