Q: Is 320,500 a Prime Number?
A: No, 320,500 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 320500 can be evenly divided by 1 2 4 5 10 20 25 50 100 125 250 500 641 1,282 2,564 3,205 6,410 12,820 16,025 32,050 64,100 80,125 160,250 and 320,500, with no remainder.
Since 320,500 cannot be divided by just 1 and 320,500, it is not a prime number.