Q: Is 31,720 a Composite Number?
A: Yes, 31,720 is a composite number.
The number 31,720 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 61 65 104 122 130 244 260 305 488 520 610 793 1,220 1,586 2,440 3,172 3,965 6,344 7,930 15,860 and 31,720, with no remainder.
Since 31,720 cannot be divided by just 1 and 31,720, it is a composite number.