![Handwriting numbers 20 and 30 on a whiteboard, with "HCF" written at the top.](https://assets.content.technologyadvice.com/634752586014205644_de8976b32d.webp)
Need to figure out the highest common factor of two numbers? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest math ...
![Hand writing calculations related to Least Common Denominator (LCD) on paper.](https://assets.content.technologyadvice.com/634752787030397383_d33e516bc4.webp)
This video lesson demonstrates how to find the lowest common multiple/lowest common denominator (LCM/LCD) using factor trees. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world ...
![GCF calculation demonstration with factors for 60 and 18 written on paper.](https://assets.content.technologyadvice.com/634752881447159782_f0bed820ce.webp)
Need to find the greatest common factor for a set of two numbers? Try a factor tree! Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's ...
![Woman explaining a diagram on a whiteboard.](https://assets.content.technologyadvice.com/634753622631184581_434f0d3ba1.webp)
Looking for an easy way to find the least common multiple and greatest common factors for a number set? Try a Venn diagram! Learn how with this free video lesson. From Ramanujan to calculus co-creator ...
![Math problem solving on graph paper, showing calculations for least common multiple (LCM).](https://assets.content.technologyadvice.com/634752313375812181_689014fc2b.webp)
Look for an easy way to find the least (or lowest) common multiple for a set of numbers? Like to think in pictures? Try the upside-down birthday cake method! Learn how with this free video lesson. Fro ...
![Person writing numbers on a whiteboard.](https://assets.content.technologyadvice.com/634753122264391186_5b15fd4b5f.webp)
Looking for an easy method for discovering the lowest common multiple (LCM) and/or greatest common factor for a set of numbers? Try the Indian method! Learn how with this free video lesson. From Raman ...
![Math calculation showing the addition of 123 and 36 with long division steps.](https://assets.content.technologyadvice.com/634753386187373704_4976949180.webp)
Here's a neat trick. Learn how to find the greatest common factor for a number set using the Euclidean algorithm! From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and ...
![Finding the LCM of 24 and 36 with a division method.](https://assets.content.technologyadvice.com/634754144452825521_508f92f2e7.webp)
Looking for an easy way to find the lowest common multiple (LCM) of a pair of numbers in simple arithmetic? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibn ...
![Teacher explaining math problems on a whiteboard.](https://assets.content.technologyadvice.com/634753843979938935_17a5e5a009.webp)
Need a little instruction on how to find the lowest terms of a proper or improper fraction in basic arithmetic? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried L ...
![Mathematical equations and annotations on paper, including a function and its domain.](https://assets.content.technologyadvice.com/634754147234778407_72a22f3392.webp)
Want to find the domain of a function without graphing it? Learn how with this free video lesson. From Ramanujan to calculus co-creator Gottfried Leibniz, many of the world's best and brightest mathem ...