Question

Find the HCF by the prime factorization method

a) 49 and 77

b) 20 and 48

c) 72 and 90

show the process.



[i had to ask the question again cos i don't think i can edit my question]

Answer 1

Answer:

this is the correct answer

Step-by-step explanation:

1. 7
2. 6
3. 80