Question
Find the following values without a calculator. What is/are the common factors of 21 and 27?

Give your answers in this manner. (Eg 1, 2, 3, 4)
2 m

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Find the following values without a calculator. What is/are the common factors of 21 and 27?

Give your answers in this manner. (Eg 1, 2, 3, 4)