Q: Is 636,242 a Prime Number?
A: No, 636,242 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 636242 can be evenly divided by 1 2 17 34 18,713 37,426 318,121 and 636,242, with no remainder.
Since 636,242 cannot be divided by just 1 and 636,242, it is not a prime number.