Answer :

Final answer:

The highest common factor (HCF) of 111 and 114 is 3. This is found by listing the factors of each number and selecting the greatest common factor.

Explanation:

The highest common factor (HCF) of two numbers is the greatest number that divides both of them without leaving a remainder. To find the HCF of 111 and 114, you would need to list all the factors (numbers that divisible into them) of each number, then find the greatest number that appears in both lists.

For 111, the factors are 1, 3, 37, and 111. For 114, the factors are 1, 2, 3, 6, 19, 38, 57, and 114.

The greatest number that appears in both lists is 3, so the highest common factor of 111 and 114 is 3.

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