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268252

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I got 108 by multiplying 9 times 12 to get 108 and then went on with 3 times 3 equals 9. And then I figured out that 3 times 4 equals 12, and since 3 is a prime number and can not be decided I worked out that to get 4 you need to times 2 times 2 together.

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Firstly you divid 540 by 12 then you get 45 so you start dividing the numbers with 12 you can divid it into 6 and 2 then because 2 is a prime number you can’t continue but with 6 you can divid it into 3 and 2 but they are prime numbers so you go on to 45 and they divid into 5 and 9 which are both prime numbers so that’s when you stop

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I firstly divided 108 by 9 and 12. Secondly, I divided 9 by 3 and divided 12 by 6. Since 3 and 2 is a prime number, I’m not able to make any other branches.

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I began with 3,600 and split it into 60 and 60. Then, I split one of the 60’s into 6 and 10. The 10 split into 5 and 2, and the 6 divided into 2 and 3. Those new numbers all stayed as they were, because they are prime numbers. After, I split the second 60 into 20 and 3. The 20 divided into 4 and 5, and the 3 stayed as it was because it’s a prime number. Finally, I split the 4 into 2 and 2. The 2’s are prime numbers, so they stayed the same. The 5 that we had from splitting 20 is a prime number, so it is the same.

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I got 72 because 9 and 8= 72 then 3 and 3 = 9 after I did 4 and 2 which = 8 then 4 with 2 and 2.

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So my chosen number is 72 and I got it by doing 6 and 12 and that makes 72 and you can make 6 with 2 and 3 and you can make 12 with 2 and 6 BUTTTT it keeps going because you can also make 6 from the 2 and 6 and times 3 with 2 to create 6 😊

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I did 95 x it by 2 than 5x19 to get 95

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I started with my number 1680, I divided it with many different numbers and factors, but in the end I always got the same prime numbers. I used 1680 and did 3x 560, I then did 4 x 140 which then leaded to my leading factors of 2x2 , and 2 and 5. On my other one, one my second one I took a different approach and did 2x840, which gave me 5x168, I then did 8x21, which gave me the outcome of the factors being 3x7, 4x2, and 2x2. In my final apporoach, I got the same outcomes.

Jean-Louis

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I started with the composite number 48, which factors are 4 and 12. From 4, the factors are 2 and 2, so I stop that branch, since 2 is a prime number. From 12, I got the factors 2 and 6. I continued with 6 and got 2 and 3. I stopped my factor tree here because the branches all stop at prime numbers.

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I halved 460 to 230, then I have 230 into 115, then I decided 115 by 5 into 23.

By Henry

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A factor of 36 is 12 x 3, a factor of 12 is 6x2 and a factor of 6 is 3 x2.

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I found 1000 divided by 10 equals 100 then 10 divided by 5 equals 2 then 100 divided by 2 is 50 then 50 divided by 5 is 10 then 10 divided by 5 is 2

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My chosen number is 48, and I know that it made up from 12 and 4 and from there 6 and 2 then 2 and 2 then 2 and 3.

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2x2=4x2=8x2=16x2=32x4=128

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Firstly I started with 108, and 108 is made up of 9, and 12. I keep adding branches onto 9, and 12 as they’re both composite. I added 3, and 3 onto 9 because if you times them together you get 9. Onto 12, i added 3, and 4, as they add to 12. I stopped at 3 as it is a prime number. But i keep going onto 4, as it is a composite number. Onto 4, i added 2 and 2 then stopped because they’re both prime numbers.

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I got my answer because one of 96 factors are 12 and 8 from 12 I got 6 and 2, from 6 I got 3 and 2 and stopped there because 3 and 2 are prime numbers. Then from 8 I got 2 and 4 which I got from 4, 2 and 2 and finished it there because they are both prime numbers.

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I got my answer because 68 divided by 2 is 34, from 34 I can do 18 and 2, from 18, I know 9 x 2 is 18, then I go to 9, 3 x 3 is 9 so I did 3 and 3!

By sally

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12345678998

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Welcome to 6 London's Factor Tree Forest Padlet! Please follow the instructions below to complete the activity.

• Choose a composite number

• Create a factor tree for your chosen number, making it as visually appealing as possible

• Take a photo of your factor tree

• Add a post to the padlet with your name, composite number and factor tree

• Explain in the text box below your photo your step-by-step breakdown of how you found the prime numbers

• Review other students' factor trees and like at least 3 creative examples

• Comment on one factor tree explaining what you like about it