Q: Is 21,738,820 a Composite Number?

 A: Yes, 21,738,820 is a composite number.

Why is 21,738,820 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 21,738,820 can be evenly divided by 1 2 4 5 10 20 67 134 268 335 670 1,340 16,223 32,446 64,892 81,115 162,230 324,460 1,086,941 2,173,882 4,347,764 5,434,705 10,869,410 and 21,738,820, with no remainder.

Since 21,738,820 cannot be divided by just 1 and 21,738,820, it is a composite number.


More Examples

Number 21,738,81821,738,81921,738,82121,738,822
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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