Write all the factors of the following numbers: (a) 24 (b) 15 (c) 21 (d) 27 (e) 12 (f) 20 (g) 18 (h) 23 (i) 36

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(a) 24 24 = 1 × 24 24 = 2 × 12 24 = 3 × 8 24 = 4 × 6 24 = 6 × 4 ∴Factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24 (b) 15 15 = 1 × 15 15 = 3 × 5 15 = 5 × 3 ∴Factors of 15 are 1, 3, 5, and 15 (c) 21 21 = 1 × 21 21 = 3 × 7 21 = 7 ×...
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(a) 24 24 = 1 × 24 24 = 2 × 12 24 = 3 × 8 24 = 4 × 6 24 = 6 × 4 ∴Factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24 (b) 15 15 = 1 × 15 15 = 3 × 5 15 = 5 × 3 ∴Factors of 15 are 1, 3, 5, and 15 (c) 21 21 = 1 × 21 21 = 3 × 7 21 = 7 × 3 ∴Factors of 21 are 1, 3, 7, and 21 (d) 27 27 = 1 × 27 27 = 3 × 9 27 = 9 × 3 ∴Factors of 27 are 1, 3, 9, and 27 (e) 12 12 = 1 × 12 12 = 2 × 6 12 = 3 × 4 12 = 4 × 3 ∴Factors of 12 are 1, 2, 3, 4, 6, and 12 (f) 20 20 = 1 × 20 20 = 2 × 10 20 = 4 × 5 20 = 5 × 4 ∴Factors of 20 are 1, 2, 4, 5, 10, and 20 (g) 18 18 = 1 × 18 18 = 2 × 9 18 = 3 × 6 18 = 6 × 3 ∴Factors of 18 are 1, 2, 3, 6, 9, and 18 (h) 23 23 = 1 × 23 23 = 23 × 1 ∴ Factors of 23 are 1 and 23 (i) 36 36 = 1 × 36 36 = 2 × 18 36 = 3 × 12 36 = 4 × 9 36 = 6 × 6 ∴Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36 read less
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