Q: Is 320,560 a Prime Number?
A: No, 320,560 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 320560 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 4,007 8,014 16,028 20,035 32,056 40,070 64,112 80,140 160,280 and 320,560, with no remainder.
Since 320,560 cannot be divided by just 1 and 320,560, it is not a prime number.