Q: How do you make a factor tree for 45?

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36 18,2 9,2,2 3,3,2,2 45 15,3 5,3,3

45 15,3 5,3,3

45 15,3 5,3,3 81 27,3 9,3,3 3,3,3,3

The factor tree is as follows: 114 57,2 19,3,2

Since 61 is already prime, a factor tree is not necessary. The prime factorization of 51 is 3 x 17, which wouldn't make much of a tree. More like a factor shrub.

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15,3 3,5,3

1,3,5,9,15,45

Because 45 is not a factor of 60.

36 18,2 9,2,2 3,3,2,2 45 15,3 5,3,3

45 15,3 5,3,3

Use a factor tree. 45 15,3 5,3,3

45 15,3 5,3,3

45 15,3 5,3,3

45 doesn't divide into 60 evenly.

45 15,3 5,3,3

Because 45 is not a factor of 60.

Use a factor tree. 45 15,3 5,3,3