Q: Is 1,680 a Composite Number?
A: Yes, 1,680 is a composite number.
The number 1,680 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 and 1,680, with no remainder.
Since 1,680 cannot be divided by just 1 and 1,680, it is a composite number.