Q: Is 764,638 a Prime Number?
A: No, 764,638 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 764638 can be evenly divided by 1 2 7 14 54,617 109,234 382,319 and 764,638, with no remainder.
Since 764,638 cannot be divided by just 1 and 764,638, it is not a prime number.