Question

find hcf and lcm of 78 52 and 91 using the prime factorization method

Answer 1

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Answer 2

We first list down the factors of each of the given numbers.

78 = 2 × 3 × 13

52 = 2 × 2 × 13

91 = 7 × 13

HCF:

Answer = 13

LCM :

2 × 2 × 3 × 7 × 13 = 1092