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Mathematics, 27.08.2020 22:01 kaylastronaut

Let p be a prime number. The following exercises lead to a proof of Fermat's Little Theorem, which we prove by another method in the next chapter. a) For any integer k with 0 ≤ k ≤ p, let (p k) = p!/k!(p - k)! denote the binomial coefficient. Prove that (p k) 0 mod p if 1 ≤ k ≤ p - 1. b) Prove that for all integers x, y, (x + y)^p x^? + y^p mod p. c) Prove that for all integers x, x^p x mod p.

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Let p be a prime number. The following exercises lead to a proof of Fermat's Little Theorem, which w...

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