Q: Is 721,956 a Prime Number?
A: No, 721,956 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 721956 can be evenly divided by 1 2 3 4 6 12 17 34 51 68 102 204 3,539 7,078 10,617 14,156 21,234 42,468 60,163 120,326 180,489 240,652 360,978 and 721,956, with no remainder.
Since 721,956 cannot be divided by just 1 and 721,956, it is not a prime number.