Q: Is 627,580 a Prime Number?
A: No, 627,580 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 627580 can be evenly divided by 1 2 4 5 10 20 31,379 62,758 125,516 156,895 313,790 and 627,580, with no remainder.
Since 627,580 cannot be divided by just 1 and 627,580, it is not a prime number.