Q: Is 90 a Composite Number?

 A: Yes, 90 is a composite number.

Why is 90 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 90 can be evenly divided by 1 2 3 5 6 9 10 15 18 30 45 and 90, with no remainder.

Since 90 cannot be divided by just 1 and 90, it is a composite number.


More Examples

Number 88899192
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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