What is the GCF of 36 and 60?
Factors of 36-1 2 3 4 6 9 12 18 and 36 {Nine}
Factors of 60-1 2 3 4 5 6 10 12 15 20 30 and 60 {Twelve}
Common Factors {crop up} of 36 and 60 are 1 2 3 4 6 and 12
GCF {Greatest Common Factor of 36 and 60 is 12
What is the GCF of 48 56 and 144?
Factors of 48-1 2 3 4 6 8 12 16 24 and 48 {Ten}
Factors of 56-1 2 4 7 8 14 28 and 56 {Eight}
Factors of 144-1 2 3 4 6 8 9 12 16 18 24 36 48 72 and 144 {Fifteen}
Common Factors {crop up of those numbers} of 48 56 and 144 are 1 2 4 and 8
GCF of 48 56 and 144 is 8
What is the GCF 84 and 96?
Factors of 84-1 2 3 4 6 7 12 14 21 28 42 and 84 {Twelve}
Factors of 96-1 2 3 4 6 8 12 16 24 32 48 and 96 {Twelve}
Common factors [crop up} are 1 2 3 4 6 and 12
GCF of 84 and 96 is 12
