Q: Is 563,438 a Prime Number?
A: No, 563,438 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 563438 can be evenly divided by 1 2 281,719 and 563,438, with no remainder.
Since 563,438 cannot be divided by just 1 and 563,438, it is not a prime number.