Q: Is 21,738,138 a Composite Number?

 A: Yes, 21,738,138 is a composite number.

Why is 21,738,138 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 21,738,138 can be evenly divided by 1 2 3 6 17 34 51 102 213,119 426,238 639,357 1,278,714 3,623,023 7,246,046 10,869,069 and 21,738,138, with no remainder.

Since 21,738,138 cannot be divided by just 1 and 21,738,138, it is a composite number.


More Examples

Number 21,738,13621,738,13721,738,13921,738,140
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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