Q: Is 138,261 a Prime Number?
A: No, 138,261 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 138261 can be evenly divided by 1 3 17 51 2,711 8,133 46,087 and 138,261, with no remainder.
Since 138,261 cannot be divided by just 1 and 138,261, it is not a prime number.