Question

the hcf of 102, 68,136
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Answer 1

Given :

Two numbers 102 & 68136

To Find : HCF of 102 & 68136

Solution :

•HCF is known as Highest common factor

•First of all , To calculate HCF we need to find the factors of 102 & 68136 using prime factorisation.

• Factors of 102 are 2×3×17

• Factors of 68136 are 2×2×2×3×17×167

• Now Common factors among factors of both 102 & 68136 are 2×3×17 i.e. 102

• Highest common factor of 102 & 68136 is 102

•This method is known as HCF by prime factorisation.

• HCF Of two number signifies that it is the highest factor which is common in two numbers

or

HCF is the highest common number which leaves Zero as a remainder when it divides them.