Q: Is 21,247,743 a Composite Number?

 A: Yes, 21,247,743 is a composite number.

Why is 21,247,743 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 21,247,743 can be evenly divided by 1 3 11 33 433 1,299 1,487 4,461 4,763 14,289 16,357 49,071 643,871 1,931,613 7,082,581 and 21,247,743, with no remainder.

Since 21,247,743 cannot be divided by just 1 and 21,247,743, it is a composite number.


More Examples

Number 21,247,74121,247,74221,247,74421,247,745
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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