Q: Is 21,017,428 a Composite Number?

 A: Yes, 21,017,428 is a composite number.

Why is 21,017,428 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 21,017,428 can be evenly divided by 1 2 4 61 122 244 86,137 172,274 344,548 5,254,357 10,508,714 and 21,017,428, with no remainder.

Since 21,017,428 cannot be divided by just 1 and 21,017,428, it is a composite number.


More Examples

Number 21,017,42621,017,42721,017,42921,017,430
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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