Practice online
Kids remember more by doing. Free — track progress and earn points and badges.
GCF 1
Directions: Read each problem carefully. Show work and label your answer.
What is the greatest common factor (GCF) of 36 and 36?
What is the greatest common factor (GCF) of 7 and 31?
What is the greatest common factor (GCF) of 8 and 26?
What is the greatest common factor (GCF) of 9 and 21?
What is the greatest common factor (GCF) of 10 and 16?
What is the greatest common factor (GCF) of 12 and 10?
What is the greatest common factor (GCF) of 13 and 36?
What is the greatest common factor (GCF) of 14 and 31?
What is the greatest common factor (GCF) of 15 and 26?
What is the greatest common factor (GCF) of 17 and 21?
Done printing? Try today’s 10-minute plan
Free printables help for one skill. A short daily plan reviews what was shaky and picks the next skill for this child — with progress you can see.