Factors

Q. Express 36 as a product of its prime factors.

1. $4\times 3\times 3$
2. $2\times 2\times 9$
3. $6\times 6$
4. $2\times 2\times 3\times 3$

Q. What are the factors of the HCF of 48 and 64?

1. 1, 2, 4, 6, 8, and 16
2. 1, 2, 4, 8, and 16
3. 2, 4, 8, 12, and 16
4. 2, 4, and 6

Q. If the LCM and HCF of two numbers are 182 and 13 respectively, then find the product of the numbers.

1. 2366

Q.

When a number divides another number exactly, then the divisor is called a________of the dividend is called a _________of the divisor.

Q. Sohan drinks 8 glasses of water everyday, how many glasses will he drink in a month (30 days) ?​

1. 220​
2. 280​
3. 260​
4. 240​

Q.

Except ___ , every number has at least two factors.

Q.

A common factor of 12 and 6 is

1. 3
2. 4
3. 7
4. 9

Q. The common factors of 56 and 44 are _____.

1. 1, 2 and 4
2. 1, 2 and 11
3. 1 and 8
4. 8

Q.

Which factors are not included in the prime factorization of a composite number?

Q.

What is the common factor of 6 and 4?

1. 6
2. 2
3. 3
4. 4

Q. The product of the smallest and the largest factor of a number is:

1. equal to the number
2. one greater than the number
3. one less than the number
4. equal to twice the number

Q. How many common factors do 6 and 4 have?

1. 6
2. 3
3. 2
4. 4

Q.

Which of the following numbers has both 2 and 5 as factors?

1. 
2. 
3. 
4. 

Q.

The difference between the largest factor and the smallest factor of 100 is ___

1. 99
2. 48
3. 49
4. 100

Q.

What is the lowest common multiple (LCM) of 13 and 5?

1. 45

2. 35

3. 56

4. 65

Q. There are 12 floors in a hotel. Each floor has 25 rooms. How many total rooms are there at the hotel?

1. 250
2. 276
3. 300
4. 320

Q. Which of the following are the common factors of 12, 18 and 34?

1. 1 and 2
2. 1, 2, 3, 4, 6 and 12
3. 1, 2, 4 and 8
4. 1, 4 and 6

Q.

Write the all factors of the following number.

$32$

Q. If 2000 five-rupee coins weigh 18 kg, how many five-rupee coins will weigh 1 kg 125 g?

1. 9
2. 1125
3. 125
4. 90

Q. Which of the following statement(s) is/are true:
i) A number is a factor of itself.
ii) 1 is a factor of every number.

1. Only (i) is true
2. Only (ii) is true
3. Both (i) & (ii) are true
4. Both (i) & (ii) are false

Q. What is the highest factor of a number?

1. The number itself
2. 1
3. 10
4. 100

Q.

We know that $3\times 5=15$
Which of the following statements is incorrect?

1. 15 is a multiple of 3
2. 15 is a multiple of 5
3. 3 is a factor of 15
4. 15 is a factor of 3

Q. Do as said for following numbers.
12, 16, 18
Factors of 12_______.
Factors of 16_______.
Factors of 18 _______.
Common factors of 12, 16, 18___________.
HCF of 12, 16, 18______________.

Q.

Write down the factors of the following numbers:

$44$.

Q. A composite number has ______ factors.

1. 1
2. \N
3. 2
4. More than 2

Q.

There is a garden in Anu's house. In the middle of the garden there is a path. They decided to tile the path using tiles of length $2$ feet, $3$ feet and $5$ feet.
The mason tiled the first row with $2$ feet tiles, the second row with $3$ feet tiles and the third row with $5$ feet tiles. The mason has not cut any of the tiles. Then what is the shortest length of the path?

Q. Which of the following options has all the factors of 12?

1. 1, 2, 3, 4, 6, and 12
2. 2, 3, 4, and 6
3. 1, 2, 3, 4, 5, 6, and 12
4. 2, 3, 4, 6, and 12

Q.

Find the factors of the following number :

$18$

Q. The length of a candle is 9 cm 5 mm. How can it be expressed only in mm?

Q.

Write down the factors of the following numbers

$78$