Q: Is 163,563 a Prime Number?
A: No, 163,563 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 163563 can be evenly divided by 1 3 54,521 and 163,563, with no remainder.
Since 163,563 cannot be divided by just 1 and 163,563, it is not a prime number.