Q: Is 505,242 a Prime Number?
A: No, 505,242 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 505242 can be evenly divided by 1 2 3 6 9 18 28,069 56,138 84,207 168,414 252,621 and 505,242, with no remainder.
Since 505,242 cannot be divided by just 1 and 505,242, it is not a prime number.