Q: Is 636,429 a Prime Number?
A: No, 636,429 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 636429 can be evenly divided by 1 3 17 51 12,479 37,437 212,143 and 636,429, with no remainder.
Since 636,429 cannot be divided by just 1 and 636,429, it is not a prime number.