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Factors and Multiples Class 4 Math Worksheet no 2 – 20 Marks
[Factors and Multiples]
(1) Answer the following questions :[1 × 2] = 2
(a) Is 8 a factor of 41? Explain. _______________
(b) Is 5 a factor of 35? Explain. _______________
(2) List first 5 multiples of the following numbers :[1 × 4] = 4
(a) 2 ________
(b) 3 ________
(c) 4 ________
(d) 5 ________
(3) Write all the factors for the numbers given below. [1 × 4] = 4
(a) 3 _____________
(b) 9 _____________
(c) 11 _____________
(d) 21 _____________
(4) Write the multiples for each number given below. Circle the common multiples and find the least common multiple (LCM) for each pair of numbers.[1 × 5] = 5
(a) 6 8
Multiples of 6 _____
Multiples of 8 _____
LCM ____
(b) 2 8
Multiples of 2 _____
Multiples of 8 _____
LCM ____
(c) 3 9
Multiples of 3 _____
Multiples of 9 _____
LCM ____
(d) 5 7
Multiples of 5 _____
Multiples of 7 _____
LCM ____
(e) 4 6
Multiples of 4 _____
Multiples of 6 _____
LCM ____
(5) Find Least Common Multiple (LCM) of the following pair of numbers using prime factorization method. [1 × 5] = 5
(a) 16 24
LCM ____
(b) 14 18
LCM ____
(c) 30 15
LCM ____
(d) 60 10
LCM ____
(e) 16 28
LCM ____