Q: Is 320,915 a Prime Number?
A: No, 320,915 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 320915 can be evenly divided by 1 5 7 35 53 173 265 371 865 1,211 1,855 6,055 9,169 45,845 64,183 and 320,915, with no remainder.
Since 320,915 cannot be divided by just 1 and 320,915, it is not a prime number.