Question

HCF (17, 20) = ____​

Answer 1

Step-by-step explanation:

17 = 1x17

20 = 2²x5

therefore hcf = 1

Answer 2

Answer:

1

Step-by-step explanation:

17 | 17 2 | 20

1 2 | 10

5 | 5

1

Factors of 17 = 17

Factors of 20 = 2×2×5

HCF of 17 and 20 = 1

Because, there are no matching factors except remainder 1. So, 1 is the HCF of 17 and 20.