Q: Is 840 a Composite Number?
A: Yes, 840 is a composite number.
The number 840 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 and 840, with no remainder.
Since 840 cannot be divided by just 1 and 840, it is a composite number.