Q: Is 478,725 a Prime Number?
A: No, 478,725 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 478725 can be evenly divided by 1 3 5 13 15 25 39 65 75 195 325 491 975 1,473 2,455 6,383 7,365 12,275 19,149 31,915 36,825 95,745 159,575 and 478,725, with no remainder.
Since 478,725 cannot be divided by just 1 and 478,725, it is not a prime number.