Q: Is 636,745 a Prime Number?
A: No, 636,745 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 636745 can be evenly divided by 1 5 347 367 1,735 1,835 127,349 and 636,745, with no remainder.
Since 636,745 cannot be divided by just 1 and 636,745, it is not a prime number.