Q: Is 520,422 a Prime Number?
A: No, 520,422 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 520422 can be evenly divided by 1 2 3 6 7 14 21 42 12,391 24,782 37,173 74,346 86,737 173,474 260,211 and 520,422, with no remainder.
Since 520,422 cannot be divided by just 1 and 520,422, it is not a prime number.