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Difference of two distinct prime numbers is?

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Difference of two distinct prime numbers is?

(a) Odd and prime

(b) Even and composite

(c) None of the mentioned

(d) All of the mentioned

The question was posed to me in quiz.

I want to ask this question from Number Theory topic in division Number Theory and Cryptography of Discrete Mathematics

1 Answer

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Right choice is (c) None of the mentioned

Easiest explanation: 3 – 2 = 1 is neither prime nor composite.

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