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**Greatest Common Factor**

The largest (Greatest) number that divides (Factor) into both (Common) terms.

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Least Common Multiple The smallest (Least) number that is divisible by (Multiple) both (Common) terms.

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**Upside down Cake Method….**

Example: Step 1: Think of any number than divides evenly into both…

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**Upside down Cake Method….**

Example: 2 Then, divide each term by that number!!

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**Upside down Cake Method….**

Example: 2 Put the answer after you divide under the cake!!

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**Upside down Cake Method….**

Example: 2 3 Make a new cake and check to see if there is another number than will divide into both terms.

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**Upside down Cake Method….**

Example: 2 3 Nothing divides into 8 and 3, so you are done!! Now to use this information to find the LCM/GCF…..

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**Upside down Cake Method….**

Example: 2 GCF: Multiply the numbers that you divided out together… this is your GCF!! **Mult. The numbers in the box! 3

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**Upside down Cake Method….**

Example: 2 GCF: Multiply the numbers that you divided out together… this is your GCF!! **Mult. The numbers in the box! 3 2 X 3 = 6 GCF = 2

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**Upside down Cake Method….**

Example: 2 LCM: We use the same information, only now we multiply all the number not inside the cake!! 3

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**Upside down Cake Method….**

Example: 2 LCM: We use the same information, only now we multiply all the number not inside the cake!! 3 LCM 2 x 3 x 8 x 3 = 144 LCM = 144

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**Greatest Common Factor**

The largest (Greatest) number that divides (Factor) into both (Common) Greatest Common Factor terms. * This will be the smaller number of the two answers you find using this method.

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Least Common Multiple The smallest (Least) number that is divisible by (Multiple) both (Common) terms. * This will be the larger number of the two answers you find using this method.

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