Q: Is 1,680 a Prime Number?
A: No, 1,680 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1680 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 not a prime number.