GMAT Math Question I don't understand!!!

In a certain deck of cards, each card has a positive integer. In a multiplication game, a person draws a card and multiplies that integer by next larger integer. If the product is between 15 and 200, the least and greatest integer on the cards could be? A) 3 & 15 B) 3 & 20 C) 4 & 13 D) 4...