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प्रश्न
Find the common factor of:
20 and 28
उत्तर
Factors of 20 = 1, 2, 4, 5, 10, 20
Factors of 28 = 1, 2, 4, 7, 14, 28
Thus, the common factors of 20 and 28 are 1, 2 and 4.
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