Question

1. Find the HCF of:
(b) 18 and 27​

Answer 1

Answer:

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 highest common factor of 18 and 27 is 9.

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