Q: Is 321,072 a Prime Number?
A: No, 321,072 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 321072 can be evenly divided by 1 2 3 4 6 8 12 16 24 48 6,689 13,378 20,067 26,756 40,134 53,512 80,268 107,024 160,536 and 321,072, with no remainder.
Since 321,072 cannot be divided by just 1 and 321,072, it is not a prime number.