Advertisements
Advertisements
प्रश्न
Write all the factors of the following number.
21
Advertisements
उत्तर
21 = 1 × 21,
21 = 3 × 7,
21 = 7 × 3
Thus, all the factors of 21 are 1, 3, 7 and 21.
APPEARS IN
संबंधित प्रश्न
Write the first six multiples of: 15
Find whether the following number is divisible by 8: 324
Find whether the following number is divisible by 5: 755
State, true or false:
If a number is divisible by 4. It is divisible by 8.
Write the first five multiples of the following number:
70
Draw a picture of factor tree.
50
Write down the first 5 multiples of the given number.
7
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.
Try drawing the factor tree using other numbers also.
Write all the factors of the following number.
36
