Form 3: GCF using Prime Factorization Exercise

Form 3: GCF using Prime Factorization

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Form 3: GCF using Prime Factorization

Calculate the greatest common factor of numbers by using prime factorization. Practice breaking numbers down into prime factors to find their GCF.

Questions

  1. MultiChoice

    The prime factorizations of two numbers are 2^3 * 3 and 2^2 * 3^2. What is their GCF?

  2. MultiChoice

    What is the GCF of 2^2 * 3 * 5 and 2 * 3^2 * 5?

  3. MultiChoice

    Given 18 = 2 * 3^2 and 30 = 2 * 3 * 5, what is their GCF?

  4. MultiChoice

    What is the GCF of 2^3 * 5 and 2^2 * 5^2?

  5. MultiChoice

    Given 45 = 3^2 * 5 and 60 = 2^2 * 3 * 5, what is their GCF?

  6. MultiChoice

    What is the GCF of 2^4 * 3 and 2^2 * 3^3?

  7. MultiChoice

    Given 28 = 2^2 * 7 and 42 = 2 * 3 * 7, what is their GCF?

  8. MultiChoice

    Given 36 = 2^2 * 3^2 and 54 = 2 * 3^3, what is their GCF?

  9. MultiChoice

    What is the GCF of 2^2 * 5 * 7 and 2 * 5^2 * 7?

  10. MultiChoice

    Given 40 = 2^3 * 5 and 100 = 2^2 * 5^2, what is their GCF?

  11. MultiChoice

    What is the GCF of 3^2 * 7 and 3 * 7^2?

  12. MultiChoice

    Given 48 = 2^4 * 3 and 72 = 2^3 * 3^2, what is their GCF?