Q: Is 21,231,020 a Composite Number?

 A: Yes, 21,231,020 is a composite number.

Why is 21,231,020 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 21,231,020 can be evenly divided by 1 2 4 5 10 20 109 218 436 545 1,090 2,180 9,739 19,478 38,956 48,695 97,390 194,780 1,061,551 2,123,102 4,246,204 5,307,755 10,615,510 and 21,231,020, with no remainder.

Since 21,231,020 cannot be divided by just 1 and 21,231,020, it is a composite number.


More Examples

Number 21,231,01821,231,01921,231,02121,231,022
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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