HCF understanding using prime factorization- math 1.1

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    What is the HCF of 30 and 45?

    The highest common factor is 15.

    How do you find the HCF using prime factorisation?

    Identify and multiply the common prime factors.

    What is the HCF of 16 and 44?

    The highest common factor is 4.

    What prime factors do 20 and 30 share?

    They share the prime factors 2 and 5.

    What is the process to find the HCF of two numbers?

    List all factors and identify the largest common one.

    What does the HCF represent?

    It is the largest number that divides two or more numbers.

    How does a Venn diagram help in finding the HCF?

    It organizes common and unique prime factors.

    What is the significance of the lowest power in HCF?

    Only the lowest power of each common prime factor is included.

    What is the HCF of 20 and 30?

    The highest common factor is 10.

    What happens if there are no common prime factors?

    The HCF is 1.