Q: Is 718,540 a Prime Number?
A: No, 718,540 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 718540 can be evenly divided by 1 2 4 5 10 20 37 74 148 185 370 740 971 1,942 3,884 4,855 9,710 19,420 35,927 71,854 143,708 179,635 359,270 and 718,540, with no remainder.
Since 718,540 cannot be divided by just 1 and 718,540, it is not a prime number.