Q: Is 21,443,420 a Composite Number?

 A: Yes, 21,443,420 is a composite number.

Why is 21,443,420 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 21,443,420 can be evenly divided by 1 2 4 5 10 20 71 142 284 355 710 1,420 15,101 30,202 60,404 75,505 151,010 302,020 1,072,171 2,144,342 4,288,684 5,360,855 10,721,710 and 21,443,420, with no remainder.

Since 21,443,420 cannot be divided by just 1 and 21,443,420, it is a composite number.


More Examples

Number 21,443,41821,443,41921,443,42121,443,422
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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