Q: Is 520,456 a Prime Number?
A: No, 520,456 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 520456 can be evenly divided by 1 2 4 8 67 134 268 536 971 1,942 3,884 7,768 65,057 130,114 260,228 and 520,456, with no remainder.
Since 520,456 cannot be divided by just 1 and 520,456, it is not a prime number.