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Question
Find the common factors:
20 and 30
Solution
20 and 30
The factors of 20 − 1, 2, 4, 5, 10, 20
The factors of 30 − 1, 2, 3 5, 6, 10, 15, 30
The common factors of 20, 30 are 1, 2, 5, 10
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