Q: Is 636,437 a Prime Number?
A: No, 636,437 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 636437 can be evenly divided by 1 37 103 167 3,811 6,179 17,201 and 636,437, with no remainder.
Since 636,437 cannot be divided by just 1 and 636,437, it is not a prime number.