Q: Is 320,240 a Prime Number?
A: No, 320,240 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 320240 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 4,003 8,006 16,012 20,015 32,024 40,030 64,048 80,060 160,120 and 320,240, with no remainder.
Since 320,240 cannot be divided by just 1 and 320,240, it is not a prime number.