Question

Find the HCF of 45 and 81

Answer 1

The HCF of 45 nd 81 is 9...(9×5=45)(9×9=81)...

Hope this helped....

Answer 2

Answer: 12

Step-by-step explanation: The factors of 45 are- 1, 3, 5, 9, 15 and 45.

                                              The factors of 81 are- 1, 3, 9, 27 and 81.

                                               Common factors- 1, 3, 9.

                                                So, HCF is 9.

Hope this helps

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