Q: Is 21,729,138 a Composite Number?

 A: Yes, 21,729,138 is a composite number.

Why is 21,729,138 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 21,729,138 can be evenly divided by 1 2 3 6 37 74 111 222 97,879 195,758 293,637 587,274 3,621,523 7,243,046 10,864,569 and 21,729,138, with no remainder.

Since 21,729,138 cannot be divided by just 1 and 21,729,138, it is a composite number.


More Examples

Number 21,729,13621,729,13721,729,13921,729,140
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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