Q: Is 21,456,615 a Composite Number?

 A: Yes, 21,456,615 is a composite number.

Why is 21,456,615 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 21,456,615 can be evenly divided by 1 3 5 15 1,430,441 4,291,323 7,152,205 and 21,456,615, with no remainder.

Since 21,456,615 cannot be divided by just 1 and 21,456,615, it is a composite number.


More Examples

Number 21,456,61321,456,61421,456,61621,456,617
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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