Q: Is 21,420,123 a Composite Number?

 A: Yes, 21,420,123 is a composite number.

Why is 21,420,123 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 21,420,123 can be evenly divided by 1 3 7,140,041 and 21,420,123, with no remainder.

Since 21,420,123 cannot be divided by just 1 and 21,420,123, it is a composite number.


More Examples

Number 21,420,12121,420,12221,420,12421,420,125
Composite? noyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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