Question

Exercise 6.3
1 Write the first six multiples of 7 and 14. Then find their common Common Fac
2. tal Write the lowest non-zero multiple of 18.
fbl Write all the multiples of & which lie between 39 and 70.
3. Find the first four common multiples of 6 and 12. What is their LCMO
4. Find the common multiples of 4 and 8 by finding the multiples of
5. Find out if the bigger number is a multiple of the smaller number
(d) 15, 165
la) 13,91
o find common
Example 5 F
Solution
number to the 5th place and encircle the LCM.
Factors of 2
(bl 9, 108 (c) 7,84
6. Find the LCM of the following-
la) 4.12 (b) 9,15 (c) 5,11
(d) 11, 55
Factors of
Common
Each of the
Observe
of 24 an
number
Relationship Between Factors and Multiples
1. We know that is the only number which has only one factor
Relat
1x11 Sol is the only factor of 1 It is also the multiple of
Take N​

Answer 1

Answer:

1. The first six multiples of 7 are 7, 14, 21, 28, 35, and 42.

2. 1,2,6,9 and 18 itself so

3. Least common multiple (LCM) of 6 and 12 is 12.

4. 20

5. 67