Q: Is 855,080 a Prime Number?
A: No, 855,080 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 855080 can be evenly divided by 1 2 4 5 8 10 20 40 21,377 42,754 85,508 106,885 171,016 213,770 427,540 and 855,080, with no remainder.
Since 855,080 cannot be divided by just 1 and 855,080, it is not a prime number.