Q: Is 520,120 a Prime Number?
A: No, 520,120 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 520120 can be evenly divided by 1 2 4 5 8 10 20 40 13,003 26,006 52,012 65,015 104,024 130,030 260,060 and 520,120, with no remainder.
Since 520,120 cannot be divided by just 1 and 520,120, it is not a prime number.