The HCF of 12 15 and 27 is

Mathematics

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Step-by-step solution

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To find the Highest Common Factor (HCF) of 12, 15, and 27, we list the factors of each number.

  1. List the factors of 12.

    Factors of 12 are: 1, 2, 3, 4, 6, 12.

  2. List the factors of 15.

    Factors of 15 are: 1, 3, 5, 15.

  3. List the factors of 27.

    Factors of 27 are: 1, 3, 9, 27.

  4. Identify the common factors.

    The common factors of 12, 15, and 27 are 1 and 3.

  5. Determine the highest common factor.

    The highest number among the common factors is 3.

    The HCF of 12, 15, and 27 is 3.

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