Q: Is 505,089 a Prime Number?
A: No, 505,089 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 505089 can be evenly divided by 1 3 9 13 27 39 117 351 1,439 4,317 12,951 18,707 38,853 56,121 168,363 and 505,089, with no remainder.
Since 505,089 cannot be divided by just 1 and 505,089, it is not a prime number.