What is a prime number?

A prime is a positive integer greater than 1 with no positive divisors other than 1 and itself (e.g. 2, 3, 5, 7).

What about 0, 1, or negatives?

0 and 1 are not prime. Negative numbers and non-integers are not considered prime.

Check if a given integer n is prime. A prime has exactly two positive divisors: 1 and itself.

n (integer)

What is a prime number?: A prime is a positive integer greater than 1 with no positive divisors other than 1 and itself (e.g. 2, 3, 5, 7).
What about 0, 1, or negatives?: 0 and 1 are not prime. Negative numbers and non-integers are not considered prime.

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