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5 Factors and
Multiples

Learning Objectives
Learning Objectives
After studying this chapter, students will be able to...

( find factors and common factors of given numbers
( find multiples and common multiples of given numbers
( identify the numbers divisible by 2, 3, 4, 5, 6, 9, and 10 without dividing them
( identify prime and composite numbers
( do prime factorisation of a number

Holistic Skills
get reAdy! Discussion-Based Learning

Ribha and Vasant are watching the celebration of Republic Day live at the India Gate, New Delhi.

What are
factors?

Wow! They are performing Yes, each group has 6 dancers but in
so well in different different formations: 2 × 3, 3 × 2,
groups having the same 6 × 1 and 1 × 6 which represents the
number of dancers. factors of the number 6.

86 Mathematics-4