Q: Is 505,138 a Prime Number?
A: No, 505,138 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 505138 can be evenly divided by 1 2 17 34 83 166 179 358 1,411 2,822 3,043 6,086 14,857 29,714 252,569 and 505,138, with no remainder.
Since 505,138 cannot be divided by just 1 and 505,138, it is not a prime number.