Q: Is 823,720 a Prime Number?
A: No, 823,720 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 823720 can be evenly divided by 1 2 4 5 8 10 20 40 20,593 41,186 82,372 102,965 164,744 205,930 411,860 and 823,720, with no remainder.
Since 823,720 cannot be divided by just 1 and 823,720, it is not a prime number.