Form 4: LCM using Prime Factorization Exercise

Form 4: LCM using Prime Factorization

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Form 4: LCM using Prime Factorization

Determine the least common multiple of numbers using prime factorization. Practice using prime factor decompositions to find the LCM efficiently.

Questions

  1. MultiChoice

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

  2. MultiChoice

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

  3. MultiChoice

    Given 12 = 2^2 * 3 and 15 = 3 * 5, what is their LCM?

  4. MultiChoice

    What is the LCM 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 LCM?

  6. MultiChoice

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

  7. MultiChoice

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

  8. MultiChoice

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

  9. MultiChoice

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

  10. MultiChoice

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

  11. MultiChoice

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

  12. MultiChoice

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