Q: Is 438,540 a Prime Number?
A: No, 438,540 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 438540 can be evenly divided by 1 2 3 4 5 6 10 12 15 20 30 60 7,309 14,618 21,927 29,236 36,545 43,854 73,090 87,708 109,635 146,180 219,270 and 438,540, with no remainder.
Since 438,540 cannot be divided by just 1 and 438,540, it is not a prime number.