Q: Is 321,722 a Prime Number?
A: No, 321,722 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 321722 can be evenly divided by 1 2 160,861 and 321,722, with no remainder.
Since 321,722 cannot be divided by just 1 and 321,722, it is not a prime number.