Q: Is 319,720 a Prime Number?
A: No, 319,720 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 319720 can be evenly divided by 1 2 4 5 8 10 20 40 7,993 15,986 31,972 39,965 63,944 79,930 159,860 and 319,720, with no remainder.
Since 319,720 cannot be divided by just 1 and 319,720, it is not a prime number.