Q: Is 727,428 a Prime Number?
A: No, 727,428 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 727428 can be evenly divided by 1 2 3 4 6 12 13 26 39 52 78 156 4,663 9,326 13,989 18,652 27,978 55,956 60,619 121,238 181,857 242,476 363,714 and 727,428, with no remainder.
Since 727,428 cannot be divided by just 1 and 727,428, it is not a prime number.