Become a GCF master with this math worksheet! Practice finding the greatest common factor of 2 or 3 numbers ranging all the way up to 100.

Teach your students to use factor rainbows to find the greatest common factor of two given numbers.

Learn to determine the greatest common factor of a set of numbers in this sixth-grade worksheet!

Test your ability to find the greatest common factor (GCF) of a set of numbers with this worksheet!