Math, asked by naairah58, 5 hours ago

find the hcf of 42,105,84 by Prime factorisation method

Answers

Answered by rajputkrish89473

0

Answer:

42= 2*3*7

105=3*5*7

84=2*2*3*7

Step-by-step explanation:

common in each is 3*7

21so the HCF is 21

Answered by himanisrivastava456

1

Answer:

Prime factors of :-

42 - 2 × 3 × 7

84 - 2 × 2 × 3 × 7

105 - 3 × 5 × 7

HCF : 3 X 7

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