Q: Is 3,900 a Composite Number?
A: Yes, 3,900 is a composite number.
The number 3,900 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 25 26 30 39 50 52 60 65 75 78 100 130 150 156 195 260 300 325 390 650 780 975 1,300 1,950 and 3,900, with no remainder.
Since 3,900 cannot be divided by just 1 and 3,900, it is a composite number.