Q: Is 520,648 a Prime Number?
A: No, 520,648 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 520648 can be evenly divided by 1 2 4 8 151 302 431 604 862 1,208 1,724 3,448 65,081 130,162 260,324 and 520,648, with no remainder.
Since 520,648 cannot be divided by just 1 and 520,648, it is not a prime number.