Question

1. Find the HCF and the LCM of 1152 and 1664 .

2. Find the greatest number which exactly divides 81 and 117 .



CLASS - 6
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Answer 1

Answer:

1. HCF of 1152 and 1664 = 2 × 2 × 2 × 2 × 2 × 2 × 2 = 128. LCM = 14976. Product of two numbers = 1152 × 1664 = 1916928. LCM × HCF = 14976 × 128 = 1916928.

2. answer is 9

Answer 2

Step-by-step explanation:

1.1152=2

7

×3

2

1664=2

7

×13

LCM (1152, 1664)= 2

7

×3

2

×13=14976

HCF(1152, 1664) = 2

7

=128

2.9

answer