Q: Is 21,170 a Composite Number?

 A: Yes, 21,170 is a composite number.

Why is 21,170 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 21,170 can be evenly divided by 1 2 5 10 29 58 73 145 146 290 365 730 2,117 4,234 10,585 and 21,170, with no remainder.

Since 21,170 cannot be divided by just 1 and 21,170, it is a composite number.


More Examples

Number 21,16821,16921,17121,172
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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