Form 15: Comprehensive GCF and LCM Review Exercise

Form 15: Comprehensive GCF and LCM Review

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Form 15: Comprehensive GCF and LCM Review

Review core concepts involving greatest common factors and least common multiples. Test your understanding across various problem types and methods.

Questions

  1. MultiChoice

    Find the GCF of 36 and 60.

  2. MultiChoice

    Find the LCM of 18 and 30.

  3. MultiChoice

    What is the GCF of 14 and 25?

  4. MultiChoice

    Find the LCM of 8, 12, and 20.

  5. MultiChoice

    A set of 24 red pens and 32 blue pens are split into identical packs. What is the maximum number of packs?

  6. MultiChoice

    Two bell timers ring every 10 and 15 minutes. If they ring together at noon, when do they ring together next?

  7. MultiChoice

    Use GCF and distributive property to rewrite 30 + 45.

  8. MultiChoice

    If GCF(20, 28) = 4, what is LCM(20, 28)?

  9. MultiChoice

    What is the GCF of 2^4 * 3 and 2^5?

  10. MultiChoice

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

  11. MultiChoice

    Which pair of numbers is relatively prime?

  12. MultiChoice

    What is the GCF of 45, 60, and 75?