How to Find the LCM using Prime Factorization | Least Common Multiple | Math with Mr. J

Welcome to How to Find the LCM using Prime Factorization with Mr. J! Need help with how to find the least common multiple using prime factorization? You're in the right place!
Whether you're just starting out, or need a quick refresher, this is the video for you if you're looking for help with finding the LCM. Mr. J will go through examples of finding the least common multiple using prime factorization and explain the steps of how to find the least common multiple using prime factorization.
MORE VIDEOS ON RELATED TOPICS:
✅ Greatest Common Factor
Factors, Common Factors, and Greatest Common Factor = • Factors | Common Facto...
How to find the Greatest Common Factor = • Greatest Common Factor...
Greatest Common Factor of 3 Numbers = • Greatest Common Factor...
Greatest Common Factor of 3 Numbers (Part 2) = • Greatest Common Factor...
Greatest Common Factor Using Prime Factorization = • How to Find the GCF us...
Greatest Common Factor of 3 Numbers Using Prime Factorization = • Finding the GCF of 3 N...
✅ Least Common Multiple
Multiples, Common Multiples, and Least Common Multiple = • Multiples | Common Mul...
How to Find the Least Common Multiple = • Least Common Multiple ...
Least Common Multiple of 3 Numbers = • Least Common Multiple ...
Least Common Multiple of 3 Numbers (Part 2) = • Least Common Multiple ...
Least Common Multiple Using Prime Factorization = • How to Find the LCM us...
Least Common Multiple of 3 Numbers Using Prime Factorization = • Finding the LCM of 3 N...
✅ Factors and Multiples Combined
Factors & Multiples | Common Factors & Multiples | Greatest Common Factor & Least Common Multiple = • Factors & Multiples | ...
Greatest Common Factor and Least Common Multiple = • Greatest Common Factor...
How to Find the Greatest Common Factor and Least Common Multiple of 3 Numbers = • GCF and LCM of 3 Numbe...
How to Find the Greatest Common Factor and Least Common Multiple of 3 Numbers (Part 2) = • GCF and LCM of 3 Numbe...
Greatest Common Factor and Least Common Multiple Using Prime Factorization = • How to Find the GCF an...
Greatest Common Factor and Least Common Multiple of 3 Numbers Using Prime Factorization = • How to Find the GCF an...
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Hopefully this video is what you're looking for when it comes to finding the least common multiple using prime factorization.
Have a great rest of your day and thanks again for watching! ✌️✌️✌️
✅ Thanks to Aloud, this video has been dubbed into Spanish and Portuguese. #DubbedWithAloud
English
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Spanish
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Portuguese
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✅ Thanks so much for watching! A huge shout out to all of the viewers and subscribers out there - I really do appreciate all of you ✌✌✌ ✅ Check out the description for other related videos.

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Can you use decimals

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❤

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Facts like when I was in school my teacher used to just over exaggerate the whole lesson

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😅

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7 mins actually 😅

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@@Tsh14 I appreciate your urge to make an obvious correction. But I will explain my self to you, I don’t have 7 hour long lectures, I also did not watch all 7 minutes of this video, so I chose 2:)

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For real

[@harmonyochuba425]

Pinned by Math with Mr. J @MathwithMrJ 1 year ago ✅ Thanks so much for watching! A huge shout out to all of the viewers and subscribers out there - I really do appreciate all of you ✌✌✌ ✅ Check out the description for other related videos.

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What if the number is like 10 digits big

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U mean HCF

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[@zindagikrunghinaksung7601]

My teacher taught me prime factorization in a differnt way and the diagram is also different like there is one straight line and on small horizontal line on the top leaving some space on to then on the top left side we write the number which we have to find the lcm then we leave the space on top and on the noxt line we write a number that divides it and then on top of it we write like if we have to find the lcm of 45 we write 45 number on the top right side and then start from the smallest number which we can divide 45 with and then write the other number under it... We do this until we gett double the number and then end it of with the number 1 in the under right side... So if do this same method in our papers will we get full marks???🤔🥺😔pls replie

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Is this the same with division method of prime factorisation?

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Helpful

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What if it’s a number like 3? You can only do 3x1 right?

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Yes, 3 is a prime number so it can only be multiplied by itself and 1. It is the same for all prime numbers

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Using prime factorization really helps a lot my math teacher in grade 5 thought us this and till this day in now grade 6 I still use it! I think Its safer to use this method since in listing you might forget some multiples😊

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