Q: Is 1,644 a Composite Number?
A: Yes, 1,644 is a composite number.
The number 1,644 can be evenly divided by 1 2 3 4 6 12 137 274 411 548 822 and 1,644, with no remainder.
Since 1,644 cannot be divided by just 1 and 1,644, it is a composite number.