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प्रश्न
Write all the factors of: 21
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उत्तर
All factors of 21 are : 1, 3, 7, 21
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संबंधित प्रश्न
Without making any actual division, show that each of the following numbers is divisible by 11.
110011
Without making any actual division, show that the following number is divisible by 8.
56008
Find whether the following number is divisible by 9: 53247
Find whether the following number is divisible by 6: 324
Find whether the following number is divisible by 5: 66666
Find whether the following number is divisible by 11: 3882
Find whether the following number is divisible by 15: 10243
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: 77548M
In the following number, replace M by the smallest number to make resulting number divisible by 9: 627M9
State, true or false:
If a number is a factor of 16 and 24, it is a factor of 48
State, true or false:
If a divide b and c completely, then a divides
(i) a + b
(ii) a – b
also completely.
State if the following number is even or odd.
37
State if the following number is even or odd.
69
Write the factors of the following number.
7
Write the factors of the following number.
10
Write the factors of the following number.
25
Write the factors of the following number.
33
The factors of a number are 1, 2, 4, 5, 8, 10, 16, 20, 40 and 80. What is the number?
Write down the factors of the given number.
36
Draw a picture of factor tree.
16
Write down the first 5 multiples of the given number.
11
The steps on which the cat jumps - ____________
Throw two dice together. What are the numbers that turn up on the faces of the dice? Make a two-digit number using them. If it is a multiple of any of the numbers written next to the circles, you can write it in that circle. Then it is your friend’s turn. The one who can write more numbers in 10 rounds is the winner.
Hint: I have 3 and 2 on my dice. If I make 23, it is not the multiple of any of the numbers. So I will make 32, which is a multiple of 4, and write it in the red circle.

If there are 15 tamarind seeds how many rectangles can you make?
In how many ways can you draw a factor tree for 24? Draw three of them below.


Rani, Geetha, and Naseema live near each other. The distance from their house to the road is 90 feet. They decided to tile the path to the road. They all bought tiles of different designs and lengths. Rani the shortest tile, Geetha bought the one and Naseema bought the longest one. If they could tile the path without cutting any of the tiles what is the size of the tiles each has bought? Suggest 3 different solutions. Explain how you get this answer.
Write first five multiples of 5.
Write first five multiples of 9.
Which is NOT a common factor of 20 and 36?
