Q: Is 872,540 a Prime Number?
A: No, 872,540 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 872540 can be evenly divided by 1 2 4 5 10 20 43,627 87,254 174,508 218,135 436,270 and 872,540, with no remainder.
Since 872,540 cannot be divided by just 1 and 872,540, it is not a prime number.