Q: Is 321,348 a Prime Number?
A: No, 321,348 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 321348 can be evenly divided by 1 2 3 4 6 12 61 122 183 244 366 439 732 878 1,317 1,756 2,634 5,268 26,779 53,558 80,337 107,116 160,674 and 321,348, with no remainder.
Since 321,348 cannot be divided by just 1 and 321,348, it is not a prime number.