Greatest Common Factor

Grade 6 Math Worksheets

Grab the eTutorWorld advantage and help her to not only master these valuable skills but also have the confidence required to succeed in grade school and beyond. Let your child learn from our highly experienced math tutors for all grades 3 to 12.Our math tutors realize this and hence guide their students towards a better understanding of the new terminologies and methods. With eTutorWorld expert and experienced Math tutors, learning and mastering math concepts become a cakewalk.

Common Factors and Divisors at eTutorWorld

How do you factor with the greatest common factor?

The greatest common factor is the greatest whole number that is a factor of each of two or more numbers.

There is no difference between highest common factor (H.C.F) and greatest common divisor (G.C.D).

Download Worksheet - Greatest Common Factor

Schedule a Free session to clear worksheet doubts

Schedule a Free Session

No credit card required, no obligation to purchase.
Just schedule a FREE Sessions to meet a tutor and get help on any topic you want!

Learn about common factors from Certified Online Pre-Algebra Tutor

What is the greatest common factor of 9 and 12?

List the Prime factors of each number.

Prime Factors of 9: 3× 3
Prime Factors of 12: 3×2×2
There is one 3 in common.
The greatest common factor of 9 and 12 is 3.

List the Prime factors of each number.

Prime Factors of 18: 2 ×3× 3
Prime Factors of 24: 2×3×2×2
There is 2× 3 in common.
The greatest common factor of 18 and 24 is 6.

Check Point

Find the greatest common divisor (G.C.D) of 70, 215 and 310?
What is the greatest common factor (G.C.F) of 24 and 88?
Clinton is making trail mix out of 14 bags of nuts and 16 bags of dried fruit. He wants each new portion of trail mix to be identical, containing the same combination of bags of nuts bags of dried fruit, with no bags left over. What is the greatest number of portions of trial mix Clinton can make?
Colton is making emergency preparedness kits to share with friends. She has 25 bottles of water and 35 cans of food, which she would like to distribute equally among the kits, with nothing left over. What is the greatest number of kits Veronica can make?
Mrs. Kelly, the geography teacher, collected 36 sedimentary rocks and 92 metamorphic ones. Now she wants to create some identical kits for studying rocks, without having any rocks left over. What is the greatest number of kits she can create?

Answer key

G.C.F=5
G.C.D=8
The greatest number of trial mix that Clinton can make is 2.
5 kits
4 kits

Personalized Online Tutoring

eTutorWorld offers affordable one-on-one live tutoring over the web for Grades 2-12, Test Prep help for Standardized tests like SCAT, CogAT, SSAT, SAT, ACT, ISEE and AP. You may schedule online tutoring lessons at your personal scheduled times, all with a Money-Back Guarantee. The first one-on-one online tutoring lesson is always FREE, no purchase obligation, no credit card required.

For answers/solutions to any question or to learn concepts, take a FREE Demo Session.

Schedule a Free Session

No credit card required, no obligation to purchase.
Just schedule a FREE Sessions to meet a tutor and get help on any topic you want!

Pricing for Personalized Online Tutoring

Tutoring Package	Validity	Grade (1-12), College
5 sessions	1 Month	$119
1 session	1 Month	$24
10 sessions	3 months	$229
15 sessions	3 months	$339
20 sessions	4 months	$429
50 sessions	6 months	$999
100 sessions	12 months	$1949