Q: Is 21,243,135 a Composite Number?

 A: Yes, 21,243,135 is a composite number.

Why is 21,243,135 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 21,243,135 can be evenly divided by 1 3 5 15 1,416,209 4,248,627 7,081,045 and 21,243,135, with no remainder.

Since 21,243,135 cannot be divided by just 1 and 21,243,135, it is a composite number.


More Examples

Number 21,243,13321,243,13421,243,13621,243,137
Composite? yesyesyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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