Q: Is 1,621,671 a Composite Number?
A: Yes, 1,621,671 is a composite number.
The number 1,621,671 can be evenly divided by 1 3 540,557 and 1,621,671, with no remainder.
Since 1,621,671 cannot be divided by just 1 and 1,621,671, it is a composite number.