Factors & Multiples

If the given number is a multiple of the other number, while a given number is exactly divisible by another number, that number is called a factor of the given number. For example – 15, 3, & 5, whereas 3 & 5 are the factors of 15 and 15 is the multiple of 3 & 5.

Since for every whole number x , x  1  x , we can conclude the following

Every number is a factor of itself and 1 is a factor of every number.

Every number is a multiple of itself and of 1

Now consider x number x. its multiples are  x   1,  x   2,   x   3, thus every number has countless multiples.