Using Prime Factorization Method to Find HCF

Q.

What is the H.C.F. of two consecutive even numbers?

Q.

HCF of $960$ and $432$ is ____.

Q.

Find the HCF of the following by prime factorization method:

$36,60$

Q.

Find HCF by finding factors:
18, 24 and 32

Q.

Find the HCF of the following by prime factorization method:

$144,100$

Q.

Find the HCF of the following by prime factorization method:

$28,35,49$

Q.

How do you find HCF?

Q.

Find the HCF using prime factorisation method .

$64$ , $24$ and $16$

Q.

Find the HCF of the following by prime factorization method:

$520,1420$

Q. Find the common factor of $16$ and $24$ and write the highest common factor $\left(HFC\right)$.

Q.

Find the HCF of the following by prime factorization method:

$27,80$

Q.

State whether the statement is True or False:

The HCF of two consecutive even numbers is $2$.

1. True
2. False

Q.

Find the HCF of the following by prime factorization method:

$51,121,413$

Q. Find all the prime factors of 24 and 36 and hence find the Highest Common Factor all 24 and 36.

1. 2
2. 4
3. 12
4. 8

Q.

State whether the statement is True or False:

The HCF of two distinct prime numbers is $1$.

1. True
2. False

Q.

Find HCF of $12,20and72$ is

1. $6$

2. $2$

3. $4$

4. $12$

Q.

Find the hcf by finding factors 8, 12 and 16

Q.

Identify the mistakes in the following problems and correct them.

HCF of $12,60$ and $40$$=2$

Q.

Find the HCF of 16 and 36.

1. 5

2. 3

3. 2

4. 4

Q.

Given that $(p+3)$ is the highest common factor of 81 and 108, find the value of $p$.

1. 6

2. 12

3. 9

4. 24