Q: Is 321,275 a Prime Number?
A: No, 321,275 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 321275 can be evenly divided by 1 5 25 71 181 355 905 1,775 4,525 12,851 64,255 and 321,275, with no remainder.
Since 321,275 cannot be divided by just 1 and 321,275, it is not a prime number.