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Question
Write all the factors of the following number.
21
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Solution
21 = 1 × 21,
21 = 3 × 7,
21 = 7 × 3
Thus, all the factors of 21 are 1, 3, 7 and 21.
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Match the items in column 1 with the items in column 2.
|
|
Column 1 |
|
Column 2 |
|
(i) |
35 |
(a) |
Multiple of 8 |
|
(ii) |
15 |
(b) |
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|
(iii) |
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(c) |
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|
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|
(v) |
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|
|
|
(f) |
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