A teacher is making gift bags. Each bag is to be filled with pencils and stickers. The teacher has 24 pencils and 36 stickers to use. Each bag will have the same number of each item, with no items left over. For example, she could make 2 bags with 12 pencils and 18 stickers each.
What are the other possibilities? Explain or show your reasoning.
List all the factors of 42.
What is the greatest common factor of 42 and 15?
What is the greatest common factor of 42 and 50?