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प्रश्न
Write all the factors of the following number.
21
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उत्तर
21 = 1 × 21,
21 = 3 × 7,
21 = 7 × 3
Thus, all the factors of 21 are 1, 3, 7 and 21.
संबंधित प्रश्न
Write all the factors of: 16
Without making any actual division, show that each of the following numbers is divisible by 11.
11000011
Find whether the following number is divisible by 2: 496
Find whether the following number is divisible by 4: 532
Find whether the following number is divisible by 6: 324
State if the following number is even or odd.
50
Write the factors of the following number.
8
Complete the multiplication chart given here.
Look at the green boxes in the chart. These show how we can get 12 by multiplying different numbers.
12 = 4 × 3, so 12 is a multiple of both 4 and 3. 12 is also a multiple of 6 and 2, as well as 12 and 1. We say 1, 2, 3, 4, 6, 12 are factors of 12.
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) |
Multiple of 7 |
|
(iii) |
16 |
(c) |
Multiple of 70 |
|
(iv) |
20 |
(d) |
Factor of 30 |
|
(v) |
25 |
(e) |
Factor of 50 |
|
|
|
(f) |
Factor of 20 |
Write all the factors of the following number.
24
