Question

1. Find the HCF of the following numbers using prime factorization method:

(i) 144, 198

(ii) 81, 117

(iii) 84, 98

(iv) 225, 450

(v) 170, 238

(vi) 504, 980

(vii) 150, 140, 210

(viii) 84, 120, 138

(ix) 106, 159, 265​

Answer 1

Answer:

1) 18

2) 9

3) 14

4)225

5) ----

6)4

7)10

8)6

9)---

Answer 2

Answer:

1. 18

2.9

3.14

4.225

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