# GCFs What are they? How do you do it?

Post on 18-Jan-2016

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GCFs What are they? How do you do it?. By E lla A cheson Math Grade 7 Block: H. rules. A GCF stands for greatest common factor (a factor is a number that goes into another number Ex: factor x factor= product) It is the highest factor of two numbers - PowerPoint PPT PresentationTRANSCRIPT

GCFs What are they? How do you do it?GCFsWhat are they? How do you do it?By Ella AchesonMath Grade 7Block: H1rulesA GCF stands for greatest common factor (a factor is a number that goes into another number Ex: factor x factor= product)It is the highest factor of two numbersTo get a GCF from two numbers you must do the following-2examples 24 21 1,2,3,4,6,8,12,24 1,3,7,21The greatest common factor is 3! 36 481,2,3,4,6,9,12,18,36 1,2,4,6,8,12,24,48the greatest common factor is 12!Example # 1Example # 23

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