Q: Is 509,442 a Prime Number?
A: No, 509,442 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 509442 can be evenly divided by 1 2 3 6 197 394 431 591 862 1,182 1,293 2,586 84,907 169,814 254,721 and 509,442, with no remainder.
Since 509,442 cannot be divided by just 1 and 509,442, it is not a prime number.