Fermat’s Little Theorem via Divisibility of Newton’s Binomial

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Abstract

Solving equations in integers is an important part of the number theory [29]. In many cases it can be conducted by the factorization of equation’s elements, such as the Newton’s binomial. The article introduces several simple formulas, which may facilitate this process. Some of them are taken from relevant books [28], [14].

In the second section of the article, Fermat’s Little Theorem is proved in a classical way, on the basis of divisibility of Newton’s binomial. Although slightly redundant in its content (another proof of the theorem has earlier been included in [12]), the article provides a good example, how the application of registrations could shorten the length of Mizar proofs [9], [17].

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Formalized Mathematics

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SCImago Journal Rank (SJR) 2016: 0.207
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researchers in the fields of formal methods and computer-checked mathematics

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