Q: Is 31,220 a Composite Number?
A: Yes, 31,220 is a composite number.
The number 31,220 can be evenly divided by 1 2 4 5 7 10 14 20 28 35 70 140 223 446 892 1,115 1,561 2,230 3,122 4,460 6,244 7,805 15,610 and 31,220, with no remainder.
Since 31,220 cannot be divided by just 1 and 31,220, it is a composite number.