Q: Is 838,540 a Prime Number?
A: No, 838,540 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 838540 can be evenly divided by 1 2 4 5 10 20 41,927 83,854 167,708 209,635 419,270 and 838,540, with no remainder.
Since 838,540 cannot be divided by just 1 and 838,540, it is not a prime number.