Q: Is 321,981 a Prime Number?
A: No, 321,981 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 321981 can be evenly divided by 1 3 11 33 121 363 887 2,661 9,757 29,271 107,327 and 321,981, with no remainder.
Since 321,981 cannot be divided by just 1 and 321,981, it is not a prime number.