Q: Is 321,542 a Prime Number?
A: No, 321,542 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 321542 can be evenly divided by 1 2 13 26 83 149 166 298 1,079 1,937 2,158 3,874 12,367 24,734 160,771 and 321,542, with no remainder.
Since 321,542 cannot be divided by just 1 and 321,542, it is not a prime number.