Q: Is 320,800 a Prime Number?
A: No, 320,800 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 320800 can be evenly divided by 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 401 800 802 1,604 2,005 3,208 4,010 6,416 8,020 10,025 12,832 16,040 20,050 32,080 40,100 64,160 80,200 160,400 and 320,800, with no remainder.
Since 320,800 cannot be divided by just 1 and 320,800, it is not a prime number.