Q: Is 493,563 a Prime Number?
A: No, 493,563 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 493563 can be evenly divided by 1 3 7 19 21 57 133 399 1,237 3,711 8,659 23,503 25,977 70,509 164,521 and 493,563, with no remainder.
Since 493,563 cannot be divided by just 1 and 493,563, it is not a prime number.