Page 24 - MATH KELAS 7 - HCF and LCM

SUMMARY

Highest common Factor (HCF)

What Does HCF Mean?

• The largest common factor of all the given

numbers is known as the Highest Common

Factor of the numbers.

• The highest number that can be divided

exactly into two or more numbers without any

remainders.

• It is also known as the Greatest Common

Divisor (GCD).

• The most easy way to find the HCF of two or

more given numbers is to create a factor tree.

There are 3 methods to calculate the HCF of two

numbers:

- HCF by listing out the common factors

- HCF by prime factorization

- HCF by division method

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