Question

HCF of 102,1224 and 170​

Answer 1

Answer:

HCF is 34

Step-by-step explanation:

Step 1 : calculate factors of each number

Factors of 102=$1,2,3,6,17,34,51,102$

Factors of 1224=$1,2,3,4,6,8,9,12,17,18,24,34,36,51,68,72,102,136,153,204,306,408,612,1224$

Factors of 170= $1,2,5,10,17,34,85,170$

Step 2 : Look for the Common factor in above three:

Common Factors are = $1,2,17,34$

Step 3 : Pick the Highest number in Common factors from Step 2

Highest common factor is 34.

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