Q: Is 667,640 a Composite Number?
A: Yes, 667,640 is a composite number.
The number 667,640 can be evenly divided by 1 2 4 5 8 10 20 40 16,691 33,382 66,764 83,455 133,528 166,910 333,820 and 667,640, with no remainder.
Since 667,640 cannot be divided by just 1 and 667,640, it is a composite number.