Q: Is 138,438 a Prime Number?
A: No, 138,438 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 138438 can be evenly divided by 1 2 3 6 9 18 7,691 15,382 23,073 46,146 69,219 and 138,438, with no remainder.
Since 138,438 cannot be divided by just 1 and 138,438, it is not a prime number.