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प्रश्न
Without making any actual division show that 7007 is divisible by 7.
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उत्तर
7007
= 7000 + 7
= 7 x (1000+ 1)
= 7 x 1001
Clearly, 7007 is divisible by 7.
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संबंधित प्रश्न
Write all the factors of: 21
Find whether the following number is divisible by 2: 523
Find whether the following number is divisible by 2: 649
Find whether the following number is divisible by 3: 28492
Find whether the following number is divisible by 6: 2010
Find whether the following number is divisible by 5: 5080
Find whether the following number is divisible by 10: 0
Find whether the following number is divisible by 11: 68717
Find whether the following number is divisible by 15: 960
In the following number, replace M by the smallest number to make resulting number divisible by 3: 46M46
In the following number, replace M by the smallest number to make resulting number divisible by 9: 76M91
State, true or false:
If a number is a factor of 16 and 24, it is a factor of 48
Define: (i) factor (ii) multiple. Give five examples of each.
State if the following number is even or odd.
58
State if the following number is even or odd.
144
Write the factors of the following number.
8
Write the factors of the following number.
5
Write down the factors of the given number.
36
Write down the factors of the given number.
14
Write down the first 5 multiples of the given number.
7
Write down the first 5 multiples of the given number.
11
Can the mouse get away?
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.
Find out all the factors of 36 from the multiplication chart.
Look at the factor tree. Now you can make another tree like this?
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.
21
Which of the following is always a factor of every number?
Which is NOT a common factor of 20 and 36?
