Q: Is 21,331,138 a Composite Number?

 A: Yes, 21,331,138 is a composite number.

Why is 21,331,138 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 21,331,138 can be evenly divided by 1 2 47 94 149 298 1,523 3,046 7,003 14,006 71,581 143,162 226,927 453,854 10,665,569 and 21,331,138, with no remainder.

Since 21,331,138 cannot be divided by just 1 and 21,331,138, it is a composite number.


More Examples

Number 21,331,13621,331,13721,331,13921,331,140
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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