Q: Is 321,879 a Prime Number?
A: No, 321,879 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 321879 can be evenly divided by 1 3 19 57 5,647 16,941 107,293 and 321,879, with no remainder.
Since 321,879 cannot be divided by just 1 and 321,879, it is not a prime number.