Q: Is 331,040 a Prime Number?
A: No, 331,040 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 331040 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 2,069 4,138 8,276 10,345 16,552 20,690 33,104 41,380 66,208 82,760 165,520 and 331,040, with no remainder.
Since 331,040 cannot be divided by just 1 and 331,040, it is not a prime number.