1, 2, 11, 22
22, 44, 66, and so on.
1, 2, 4, 8, 11, 22, 44, 88
It is always useful to know about factors and multiples.
What is the common multiples of 22 and 44? I think it is 1,2,11,22
Factors go into numbers, numbers go into multiples.
Factors go into the number. The number goes into multiples.