Q: Is 136,563 a Prime Number?
A: No, 136,563 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 136563 can be evenly divided by 1 3 7 21 49 147 929 2,787 6,503 19,509 45,521 and 136,563, with no remainder.
Since 136,563 cannot be divided by just 1 and 136,563, it is not a prime number.