Q: Is 506,623 a Prime Number?
A: No, 506,623 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 506623 can be evenly divided by 1 13 38,971 and 506,623, with no remainder.
Since 506,623 cannot be divided by just 1 and 506,623, it is not a prime number.