List all the factors of 18 and 27. Find the greatest common factor of the two numbers.

Sagot :

Answer:

There are 3 common factors of 18 and 27, that are 1, 3, and 9. Therefore, the highest common factor of 18 and 27 is 9.

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The factors of 18 are 1, 2, 3, 6, 9, 18. The factors of 27 are 1, 3, 9, 27. The common factors of 18 and 27 are 1, 3 and 9. The greatest common factor of 18 and 27 is 9.