Q: Is 240,639 a Prime Number?
A: No, 240,639 is 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 240639 can be evenly divided by 1 3 7 21 49 147 1,637 4,911 11,459 34,377 80,213 and 240,639, with no remainder.
Since 240,639 cannot be divided by just 1 and 240,639, it is not a prime number.