Q: Is 636,129 a Prime Number?
A: No, 636,129 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 636129 can be evenly divided by 1 3 9 13 39 117 5,437 16,311 48,933 70,681 212,043 and 636,129, with no remainder.
Since 636,129 cannot be divided by just 1 and 636,129, it is not a prime number.