Find the HCF of the following numbers by factor method.
(a) 7, 18
(b) 12, 30, 54
(C) 70, 14, 35
Answers
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2
Step-by-step explanation:
- HCF of 7, 18 is 1
- HCF of 12, 30, 54 is 6
- HCF of 70, 14,35 is 7
Answered by
2
Answer:
a) 7 = 7×1
8= 8×1
hence the HCF is 1
b) 12= 2 × 2 × 3
30= 5× 2× 3
54= 3 ×3 ×2 ×3
hence the HCF is 2×3 = 6
c) 70 = 5 ×2× 7
14 = 7 ×2
35 = 5 ×7
hence the HCF is 7
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