Q: Is 221,080 a Prime Number?
A: No, 221,080 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 221080 can be evenly divided by 1 2 4 5 8 10 20 40 5,527 11,054 22,108 27,635 44,216 55,270 110,540 and 221,080, with no remainder.
Since 221,080 cannot be divided by just 1 and 221,080, it is not a prime number.