Q: Is 21,375,138 a Composite Number?

 A: Yes, 21,375,138 is a composite number.

Why is 21,375,138 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 21,375,138 can be evenly divided by 1 2 3 6 373 746 1,119 2,238 9,551 19,102 28,653 57,306 3,562,523 7,125,046 10,687,569 and 21,375,138, with no remainder.

Since 21,375,138 cannot be divided by just 1 and 21,375,138, it is a composite number.


More Examples

Number 21,375,13621,375,13721,375,13921,375,140
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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