Q: Is 21,478,371 a Composite Number?

 A: Yes, 21,478,371 is a composite number.

Why is 21,478,371 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 21,478,371 can be evenly divided by 1 3 43 129 167 501 997 2,991 7,181 21,543 42,871 128,613 166,499 499,497 7,159,457 and 21,478,371, with no remainder.

Since 21,478,371 cannot be divided by just 1 and 21,478,371, it is a composite number.


More Examples

Number 21,478,36921,478,37021,478,37221,478,373
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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