Showing posts with label factor tree. Show all posts
Showing posts with label factor tree. Show all posts

Prime factorization of 15 and 68

Sunday, February 10, 2019




Learn how to use a factor tree to find the prime numbers of 15 and 68. 
Prime factorization which is also called integer factorization or prime decomposition involves finding which numbers multiply together to equal the original number. In this video, I use a factor tree to find the prime factors of sixty-eight and fifteen.

Integer factorization of 68 = 2 x 2 x 17
Integers factorization of 15 = 3 x 5

Prime decomposition of 68
Prime factorization of 15

Which numbers multiply together to equal 68
Which numbers multiply together to equal 15

Set of prime numbers for 68
List of prime numbers for 15


MooMooMath and Science upload a new math or science video every day. We have over 1400 math and science videos to help in school and life.

https://www.youtube.com/channel/UCE_WiQFez8FZcICpbwblyyg

Prime Factorization of 200 and 180





Prime factorization of 200 and 180.
Prime factorization of 200 = 2 x 2 x 2 x 5 x 5
Prime factorization of 180 = 2 x 2 x 3 x 3 x 5
Prime factorization which is also called integer factorization or prime decomposition involves finding which numbers multiply together to equal the original number. In this video, I use a factor tree to find the prime factors of 200 and 180.

Integer factorization of two hundred.
Integers factorization of one hundred and eighty

Prime decomposition of 200
Prime factorization of 180

Which numbers multiply together to equal two hundred?
Which numbers multiply together to equal one hundred and eighty?

Set of prime numbers for 200
List of prime numbers for 180



MooMooMath and Science upload a new math or science video every day. We have over 1400 math and science videos to help in school and life.

https://www.youtube.com/channel/UCE_WiQFez8FZcICpbwblyyg

Prime Factorization using a Factor Tree

Monday, January 11, 2016


Prime factorization or Integer factorization is the process of finding the prime number of an integer that multiply to make the original number.

A prime number is any number that can only be divided by 1 or itself.
Finding the prime numbers can be helpful when you are working with fractions and need to find an LCM or the GCF.

In this video, I create several factor trees of numbers to help you see how factor trees are created.
Factor trees are easy to create and I think they are the easiest, most accurate way to find prime numbers.

I created factor trees for, 24 36 48 56 72 90 and 252

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Prime Factorization-Laddder Method

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