Q: Is 1,723,340 a Prime Number?
A: No, 1,723,340 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 1723340 can be evenly divided by 1 2 4 5 10 20 199 398 433 796 866 995 1,732 1,990 2,165 3,980 4,330 8,660 86,167 172,334 344,668 430,835 861,670 and 1,723,340, with no remainder.
Since 1,723,340 cannot be divided by just 1 and 1,723,340, it is not a prime number.