Q: Is 311,120 a Prime Number?
A: No, 311,120 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 311120 can be evenly divided by 1 2 4 5 8 10 16 20 40 80 3,889 7,778 15,556 19,445 31,112 38,890 62,224 77,780 155,560 and 311,120, with no remainder.
Since 311,120 cannot be divided by just 1 and 311,120, it is not a prime number.