Finding the least common multiple using prime factorization

In this video, we show how to factor a number using a factor tree. We then show how to use the prime factorization of two numbers to get their least common multiple and their greatest common divisor using a Venn diagram of the prime factors.

0:00 Introduction
0:23 Prime factors from factor trees
2:13 LCM and GCF with Venn diagrams
4:52 Finding LCM and GCF from scratch

[JhonDiamond]

fun lesson, looking for the common factor.

[gabi-ch]

go mathdad go team marmoset takes a point I can do this stuff but you made it easier! mathdad + hard but posible topic= easy and fun topic! ❤ you guys alot

P.S. love the calandar jst got it as a presant ❤.❤

[gabi-ch]

yay! I thoght that lama glama was the last vidio of the year but I was rong, Huray!