Arrange your bookshelf with equal books In each row for a stack of 49 books.Decide if 49 is a prime number or a composite number.List all the ways to present the books
49 is composite because it has factors other than itself and 1, 7 and 7, namely. So you could have one row of 49 books, 49 rows of one book or 7 rows of 7 books.
