Question

using Common Factor method find the HCF of 25 and 20 ​

Answer 1

Answer:

5

Step-by-step explanation:

Factors of 25 = 1, 5, 25

Factors of 20 = 1, 2, 4, 5, 10, 20.

Therefore common factor of 25 and 20 = 1,5

Highest common factor HCF = 5

Answer 2

Answer:

2x2x5x5=100

Step-by-step explanation:

 2 25,20

2  25,10

5  25,5

5  5,1

   1,1