Question

Find the HCF of the following numbers
by prime factorisation :
(1) 18 and 30 (2) 24 and 36
(3) 18 and 42 (4) 42 and 63
(5) 54 and 72 (6) 40 and 64
(7) 48 and 64 (8) 52 and 78
(9) 42 and 70​

Answer 1

Answer:

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Answer 2

1. 45

2. 68

3.98

4.54

5.71

6.87

7.53.

8.41

9.67.

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