Q: Is 642,145 a Composite Number?

 A: Yes, 642,145 is a composite number.

Why is 642,145 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 642,145 can be evenly divided by 1 5 7 35 49 245 2,621 13,105 18,347 91,735 128,429 and 642,145, with no remainder.

Since 642,145 cannot be divided by just 1 and 642,145, it is a composite number.


More Examples

Number 642,143642,144642,146642,147
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 642,145:


Ask a Question