Greatest Common Factor (GCF)
The greatest of the common factors of two or more numbers.
1) Prime Factorization
2) Venn Diagrams
Steps in order to find GCF:
Find the GCF of 54 and 36 54 36
6 9 6 6
3 2 3 3 3 2 3 2
3,2,3 23
GCF (18)
Find the GCF of 81 and 108
Prime Factorization :
81 108 9 9 9 12
3 3 3 3 3 3 4 3 3 3 3 3 3 3 2 2 3
Venn Diagram :
3,3,33 2 2GCF (27)
Lets see you do some:
35 & 49 18 & 24
1) Prime Factorization
2) Venn Diagrams
Steps in order to find GCF: