How do i know if a number is prime or composite?

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asked Sep 21, 2018 209k views

2 Answers

Pavlo Ostasha · Answer 1 · 2018-09-26T14:22:21+0000

A prime number is an integer that can only be divided by one, or itself; some example of prime numbers include 5, 7, 11, and 13. A composite number is an integer that can be divided other than one and itself; some examples of composite numbers are 16, 18, 20, 21, 22, 24, 25, 26.

How do i know if a number is prime or composite?

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