Q: Is 721,948 a Prime Number?
A: No, 721,948 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 721948 can be evenly divided by 1 2 4 101 202 404 1,787 3,574 7,148 180,487 360,974 and 721,948, with no remainder.
Since 721,948 cannot be divided by just 1 and 721,948, it is not a prime number.