Calculators & Converters

    What is the GCF of 42, 45 & 48?

    GCF - Highest Common Factor Calculator

    getcalc.com's HCF or GCF calculator & step by step work to find what is GCF of 42, 45 and 48.

    GCF(42, 45, 48) = 3

    The Greatest or Highest Common Factor 3 divides each one of the integer of this group. By using this GCF calculator & the work with steps, grade school students, teachers or parents can verify the results or the workout for HCF of 42, 45 & 48.

    How to find HCF(42, 45, 48)?

    The below is the step by step work for how to find what is the GCF of three numbers 42, 45 & 48.
    Problem & Workout :
    step 1 Address the method, input parameters & values
    Integers: 42, 45, 48
    find gcf (42, 45 and 48) = ?

    step 2 Find the prime factors of all integers of the group
    42 = 2 x 3 x 7
    45 = 3 x 3 x 5
    48 = 2 x 2 x 2 x 2 x 3

    step 3The common prime factor or the product of all common prime factors between all integers is the highest common factor of this group of integers (42, 45 & 48).
    GCF(42, 45, 48) = 3

    getcalc.com Calculators