GCF and LCM Calculator Logo

GCF and LCM Calculator

Welcome to gcflcm.com simple math calculator tool. You can calculate GCF known as greatest common factor or greatest common divisor (gcd) and LCM known as least common multiple or lowest common denominator (lcd).

Gcf and lcm calculators helps you to learn how to find GCF and LCM step by step.
Please select a calculator below to start to calculate gcf or lcm.

Greatest Common Factor Calculator

Calculate the greatest common factor of two positive integer numbers.

Least Common Multiple Calculator

Calculate the least common multiple of two positive integer numbers.

Factoring Calculator

Calculate the factors of a number that divisble without a remainder.

Recent GCF and LCM Calculations

Recent Comments
nate 2019-04-23 19:36:53

it works nicely

jalyasha 2019-04-09 15:23:59

love this app

Zeb 2019-03-22 11:22:23

Do they have a sight for gcd and lcd?

Mole 2019-03-10 12:34:15

It’s kindof confusing

That Person 2019-02-27 13:29:53

If i,m going to be honest i really liked using the cite,it was helpful and convenient not to mention fast.

Bts army 2019-02-13 11:17:44

I like this calculator because it’s helpful

Caleb 2019-01-29 13:53:21

This is my way to get my gcf and lcm and it has been so much easier to do.

Tootsie_Roll 2018-12-06 10:11:09

Best website ever!!!!!

Bob 2018-11-26 16:09:01

I LOVE this website it's so helpful!!!!

JEFF 2018-11-13 11:18:21

this helps me alot :}

sorry this private info 2018-11-12 17:08:58

ayeeeee i got a 100 on all my assignments thanks khan academy !!!!!!!!!!!!!! <_>

Eshaal 2018-11-09 02:10:43

Thanks..... it helped me so much in maths and usually i love maths but , I am in 6th grade and its very tuff but although it helps me in maths......

Ta'Ria 2018-11-05 15:31:34

Thank you for help what (LCM)&(GCF)

Hi 2018-10-17 05:08:59


Maise 2018-10-15 12:51:11

Cheating on my lcm and gcf homework paper been trying for an hour and found this site works great

Alyeha 2018-10-08 11:13:21

Love this so much.

No body 2018-09-20 18:30:31


yo mama 2018-09-14 15:16:00

thanks it helped me alot thx

ASGSFDFFS 2018-09-11 16:37:20

i love math

Ian Snyder 2018-09-06 16:06:35

Nice way to cheat doing homework

Gabriel 2018-08-31 06:12:52

What about 36 and 24 96 and 84

Carter 2018-08-30 15:51:11

Thanks 6th grade math is hard

Seraphina 2018-04-23 21:57:02

Very useful resource of GCF and LCM. Able to use when needs help.
Thank you.

NO 2018-04-14 02:36:46

help! math. If 36 and __, and the lcm and gcf is 18 and 108 respectively. How to fill in the blank????????????????/

belen 2018-03-15 08:22:50

I need help with math 6th grade math

Dallas 2018-03-01 18:31:39

Very helpful!

Rontora 2018-02-22 14:44:15

thank you for the GCF and LCF calculators!?!?!@GCF and LCF Calculator

Lilah 2018-02-07 07:30:27

it works so greatttt

Emma 2017-12-18 13:33:06

Love it

markita 2017-11-02 16:55:07

this is very helpful

Someone 2017-10-26 17:02:28

Alex I agree

viana 2017-10-19 19:02:12

what about 3 numbers

danny 2017-10-18 14:20:37

I like this thank you

Killyandrea 2017-10-10 15:39:42

Maybe you could add some mulitply

Kyle 2017-10-10 15:38:50

Very helpful set of math tools

ROBERT 2017-09-05 18:02:01


Trisha 2017-07-03 02:26:51

Thank you for your math calculator im so very happy because you help me in my assignment

terria 2017-01-09 17:03:20

i need help with math i always struggle alot and thank you alot for GCF AND LCM for the caculators

cierra 2016-11-27 06:49:16

I need help with math

alex 2016-11-21 09:19:18

make a calculator that does 3 #'s

John 2016-10-19 02:54:35

Very helpful set of math calculators,
thank you.

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