Q: Is 505,427 a Prime Number?
A: No, 505,427 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 505427 can be evenly divided by 1 13 17 221 2,287 29,731 38,879 and 505,427, with no remainder.
Since 505,427 cannot be divided by just 1 and 505,427, it is not a prime number.