I hope they are hungry

mr. bratwurst has donated 1513 hot dogs, and Mr. pepsi has donated 120 six-packs of pop for the annual camp cookout. The donors have stipulated that each kid is to receive the same amount of refreshments and all of the refreshments are to be used so that none are left. If Mr. Bratwurst's dog eats one of the hot dogs, what is the maximum number of kids that can attend the cookout?_____ Each kid will get____hot dogs and _____cans of pop.

What are the factors of 1512 and 720?