Divisibility Rules for 2, 5 and 10 to Find the Common Factors of Numbers I 1 Lesson We can find the factors of large numbers mentally by using some divisibility rules for whole numbers. After going through this lesson, you are expected to use divisibility rules for 2, 5 and 10 to find the common factors of numbers. Learning Task 1. Give the first three multiples of the given numbers be- low. Write your answer in your notebook. 1.) 2, 4.) 6, 2.) 3, 5.) 8, 3.) 5, 1 YTY .​