Q: Is 725,518 a Prime Number?
A: No, 725,518 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 725518 can be evenly divided by 1 2 362,759 and 725,518, with no remainder.
Since 725,518 cannot be divided by just 1 and 725,518, it is not a prime number.