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Method of Finding HCF

The HCF of 10...

Question

The HCF of 100 and 101 is .
(a) 1
(b) 7
(c) 37
(d) None of these

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Solution

100 = 1 × 2 × 2 × 5 × 5
101 = 1 × 101
Since, 100 is a composite number and 101 is a prime number.
Thus, their HCF is 1.
Hence, the correct answer is option (a).

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