Q: Is 550,855 a Prime Number?
A: No, 550,855 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 550855 can be evenly divided by 1 5 29 131 145 655 841 3,799 4,205 18,995 110,171 and 550,855, with no remainder.
Since 550,855 cannot be divided by just 1 and 550,855, it is not a prime number.