Q: Is 550,563 a Prime Number?
A: No, 550,563 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 550563 can be evenly divided by 1 3 13 19 39 57 247 741 743 2,229 9,659 14,117 28,977 42,351 183,521 and 550,563, with no remainder.
Since 550,563 cannot be divided by just 1 and 550,563, it is not a prime number.