Practice Page 1

Q1.

Determine the HCF of following pairs by finding factors.

 

 

 

a. 23 and 25

b. 25 and 30

 

 

 

 

Q2.

Find the HCF by prime factorization method.

 

a.15, 30 and 60

 

 

 

b. 50, 110

 

 

 

 

 

 

Q4.

Find HCF by division method.

 

a.99 and 220

b. 64 and 80

 

 

 

 

 

 

Last modified: Saturday, 15 December 2018, 4:12 PM