Q: Is 138,458 a Prime Number?
A: No, 138,458 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 138458 can be evenly divided by 1 2 107 214 647 1,294 69,229 and 138,458, with no remainder.
Since 138,458 cannot be divided by just 1 and 138,458, it is not a prime number.