Q: Is 138,387 a Prime Number?
A: No, 138,387 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 138387 can be evenly divided by 1 3 163 283 489 849 46,129 and 138,387, with no remainder.
Since 138,387 cannot be divided by just 1 and 138,387, it is not a prime number.