Q: Is 28,125 a Composite Number?
A: Yes, 28,125 is a composite number.
The number 28,125 can be evenly divided by 1 3 5 9 15 25 45 75 125 225 375 625 1,125 1,875 3,125 5,625 9,375 and 28,125, with no remainder.
Since 28,125 cannot be divided by just 1 and 28,125, it is a composite number.