Q: Is 431,120 a Prime Number?
A: No, 431,120 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 431120 can be evenly divided by 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 317 340 634 680 1,268 1,360 1,585 2,536 3,170 5,072 5,389 6,340 10,778 12,680 21,556 25,360 26,945 43,112 53,890 86,224 107,780 215,560 and 431,120, with no remainder.
Since 431,120 cannot be divided by just 1 and 431,120, it is not a prime number.