Write all the factors of the following numbers: 20 ??????????????

Dear Student

20 = 1 × 20 20 = 2 × 10 20 = 4 ×5 20 = 5 × 4
Stop here since 4 and 5 have occurred earlier
Hence, the factors of 20 are 1, 2, 4, 5 10 and 20
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Thanks