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    Discrete Mathematics and Its Applications
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    Exam 4: Number Theory and Cryptography
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    Prove: If N Is an Integer That Is Not a Multiple
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Prove: If N Is an Integer That Is Not a Multiple

Question 76

Question 76

Short Answer

Prove: if n is an integer that is not a multiple of 3,  then n2≡1 mod 3\text { then } n ^ { 2 } \equiv 1 \bmod 3 then n2≡1mod3

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