Q: Is 520,778 a Prime Number?
A: No, 520,778 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 520778 can be evenly divided by 1 2 17 34 53 106 289 578 901 1,802 4,913 9,826 15,317 30,634 260,389 and 520,778, with no remainder.
Since 520,778 cannot be divided by just 1 and 520,778, it is not a prime number.