Q: Is 648 a Prime Number?

 A: No, 648 is not a prime number.

Why is 648 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 648 can be evenly divided by 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 and 648, with no remainder.

Since 648 cannot be divided by just 1 and 648, it is not a prime number.


More Examples

Number 646647649650
Prime? noyesnono
  • 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 648:


Ask a Question