Q: Is 520,040 a Prime Number?
A: No, 520,040 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 520040 can be evenly divided by 1 2 4 5 8 10 20 40 13,001 26,002 52,004 65,005 104,008 130,010 260,020 and 520,040, with no remainder.
Since 520,040 cannot be divided by just 1 and 520,040, it is not a prime number.