Math, asked by gurleenkalsi2004, 7 months ago

find hcf of 28 42 68 72

Answers

Answered by kaivalyap21

26

Answer:

HCF is 2

Step-by-step explanation:

Factors of 28 = 1, 2, 4, 7, 14, 28

Factors of 42 = 1, 2, 3, 6, 7, 14, 21, 42

Factors of 68 = 1, 2, 4, 17, 34,68

Factors of 72 = 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72.

Common Factors = 1,2

Highest Common Factor = 1×2 = 2

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