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

Balbharti Maharashtra State Board Class 7 Maths Solutions covers the 7th Std Maths Practice Set 11 Answers Solutions Chapter 3 HCF and LCM.

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

Std 7 Maths Practice Set 11 Solutions Answers

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