Q: Is 321,080 a Prime Number?
A: No, 321,080 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 321080 can be evenly divided by 1 2 4 5 8 10 20 23 40 46 92 115 184 230 349 460 698 920 1,396 1,745 2,792 3,490 6,980 8,027 13,960 16,054 32,108 40,135 64,216 80,270 160,540 and 321,080, with no remainder.
Since 321,080 cannot be divided by just 1 and 321,080, it is not a prime number.