Is the integer 0 a prime or a composite number?

0 is considered neither a prime nor a composite number.
Explanations below.

0 = 0 × n, any number n;
0 ÷ 0 = indeterminate form;
0 cannot be prime factorized.

Positive integers that are only dividing by themselves and 1 are called prime numbers :: A composite number is a positive integer that has at least one factor (divisor) other than 1 and itself.

0 is considered neither a prime nor a composite number.

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