Q: Is 263,138 a Prime Number?
A: No, 263,138 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 263138 can be evenly divided by 1 2 41 82 3,209 6,418 131,569 and 263,138, with no remainder.
Since 263,138 cannot be divided by just 1 and 263,138, it is not a prime number.