Q: Is 138,540 a Prime Number?
A: No, 138,540 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 138540 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 2,309 4,618 6,927 9,236 11,545 13,854 23,090 27,708 34,635 46,180 69,270 and 138,540, with no remainder.
Since 138,540 cannot be divided by just 1 and 138,540, it is not a prime number.