Q: Is 1,620 a Composite Number?
A: Yes, 1,620 is a composite number.
The number 1,620 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 and 1,620, with no remainder.
Since 1,620 cannot be divided by just 1 and 1,620, it is a composite number.