Q: Is 1,999,664 a Composite Number?
A: Yes, 1,999,664 is a composite number.
The number 1,999,664 can be evenly divided by 1 2 4 8 16 124,979 249,958 499,916 999,832 and 1,999,664, with no remainder.
Since 1,999,664 cannot be divided by just 1 and 1,999,664, it is a composite number.