Q: Is 138,975 a Prime Number?
A: No, 138,975 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 138975 can be evenly divided by 1 3 5 15 17 25 51 75 85 109 255 327 425 545 1,275 1,635 1,853 2,725 5,559 8,175 9,265 27,795 46,325 and 138,975, with no remainder.
Since 138,975 cannot be divided by just 1 and 138,975, it is not a prime number.