Q: Is 321,040 a Prime Number?
A: No, 321,040 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 321040 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 4,013 8,026 16,052 20,065 32,104 40,130 64,208 80,260 160,520 and 321,040, with no remainder.
Since 321,040 cannot be divided by just 1 and 321,040, it is not a prime number.