Q: Is 21,423,020 a Composite Number?

 A: Yes, 21,423,020 is a composite number.

Why is 21,423,020 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 21,423,020 can be evenly divided by 1 2 4 5 10 20 1,071,151 2,142,302 4,284,604 5,355,755 10,711,510 and 21,423,020, with no remainder.

Since 21,423,020 cannot be divided by just 1 and 21,423,020, it is a composite number.


More Examples

Number 21,423,01821,423,01921,423,02121,423,022
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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