A composite number is any number greater than 1, which is non-prime: in other words, any number that can be divided by any whole number besides itself and 1.
Since 640 can be divided by 2 (multiple times, in fact) and 5, it is indeed composite.
There's only one number that equals 640. The number is . . . . . 640.
640
27 x 5 = 640
It is a composite number.284 is a composite number
94 is a composite number
It is a composite number.
It is a composite number.
Composite number
Both. It is a number and it is composite.
It is a composite number.
It is a composite number.
It is a composite number.