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Question
Find the HCF of the numbers in each of the following, using the prime factorization method:
84, 98
Solution
The given numbers are 84 and 98.
We have:
84 = 2 × 2 × 3 × 7 = 22 × 3 × 7
98 = 2 × 7 × 7 = 2 × 72
∴ HCF of the given numbers = 2 × 7 = 14
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