Verified Answer :

so 3 pairs of nr. with gcf. the 5 

1. 5 and 10 what are 51 and 52
2. 15 and 20  --- 53 and 54
3. 25 and 30 --- 55 and 56 

hope helped


The greatest common factor of two variables or numbers can be determined by listing all of the factors of the two numbers and then determining which is the greatest among all. In this case, one pair can be 10 and 15, 20 and 25, and 35 and 45.