Q: Is 320,872 a Prime Number?
A: No, 320,872 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 320872 can be evenly divided by 1 2 4 8 19 38 76 152 2,111 4,222 8,444 16,888 40,109 80,218 160,436 and 320,872, with no remainder.
Since 320,872 cannot be divided by just 1 and 320,872, it is not a prime number.