Q: Is 31,120 a Prime Number?
A: No, 31,120 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 31120 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 389 778 1,556 1,945 3,112 3,890 6,224 7,780 15,560 and 31,120, with no remainder.
Since 31,120 cannot be divided by just 1 and 31,120, it is not a prime number.