Q: Is 331,120 a Prime Number?
A: No, 331,120 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 331120 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 4,139 8,278 16,556 20,695 33,112 41,390 66,224 82,780 165,560 and 331,120, with no remainder.
Since 331,120 cannot be divided by just 1 and 331,120, it is not a prime number.