Q: Is 506,556 a Prime Number?
A: No, 506,556 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 506556 can be evenly divided by 1 2 3 4 6 9 12 18 36 14,071 28,142 42,213 56,284 84,426 126,639 168,852 253,278 and 506,556, with no remainder.
Since 506,556 cannot be divided by just 1 and 506,556, it is not a prime number.