Factors of 81? How to Find the Factors of 81 by Prime ... - BYJU'S
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WebThe factors of 81 are 1, 3, 9, 27, and 81. The factors of 18 are 1, 2, 3, 6, 9, and 18. So, the common factors of 81 and 18 are 1, 3, and 9. Example 3: Find the greatest common factor of 81 and 72. Solution: The factors of 81 are 1, 3, 9, 27, and 81. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72.
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