MH 7 Math

Maharashtra Board Practice Set 11 Class 7 Maths Solutions Chapter 3 HCF and LCM

Maharashtra Board Practice Set 11 Class 7 Maths Solutions Chapter 3 HCF and LCM

HCF and LCM Class 7 Practice Set 11 Answers Solutions Chapter 3

Question 1.
Factorize the following numbers into primes:
i. 32
ii. 57
iii. 23
iv. 150
v. 216
vi. 208
vii. 765
viii. 342
ix. 377
x. 559
Solution:
i. 32

Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 1
∴ 32 = 2 × 2 × 2 × 2 × 2

ii. 57
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 2
∴ 57 = 3 × 19

iii. 23
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 3
∴ 23 = 23 × 1

iv. 150
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 4
∴ 150 = 2 × 3 × 5 × 5

v. 216
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 5
∴ 216 = 2 × 2 × 2 × 3 × 3 × 3

vi. 208
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 6
∴ 208 = 2 × 2 × 2 × 2 × 13

vii. 765
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 7
∴ 765 = 3 × 3 × 5 × 17

viii. 342
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 8
∴ 342 = 2 × 3 × 3 × 19

ix. 377
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 9
∴ 377 = 13 × 29

x. 559
Maharashtra Board Class 7 Maths Solutions Chapter 3 HCF and LCM Practice Set 11 10
∴ 559 = 13 × 43

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