Greatest common factor - GCF 4 .2 Vocabulary Common Factor - Acommon factor is awhole number that is a factor of two or more non -zeroWhole numbers Greatest Common Factor (GCF )- the greatest whole number that is a factor of two or more non -zero whole number Relatively Prime - Two or morenumbers are relatively prime if their greatest common factoris 1 Ex' Finding the GCF Ahigh school asks forvolunteers to help dean Up local highways on one Saturday .each month . The group of volunteers has27 freshman, 18 sophomores,36 juniors 45 seniors .What is the greatest # of groups thatcan be formed if each group has the same number of each type of student? How many freshman,sophomore, juniors,andseniors will be in each group? ' Method 1 : Factor Ts - 27 o 45 1127 39" 31IS 2 . 118 13 /12 go Toto agroupsw / 3 freshman 2 sopomores 4 junior 5 seniors
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Greatest common factor - GCF4 .2
VocabularyCommon Factor - Acommon factor is awhole numberthat is a factor of two or more non -zeroWholenumbersGreatest Common Factor (GCF )- the greatest wholenumber that is a factor of two or more non -zerowhole numberRelatively Prime - Two or morenumbers are relativelyprime if their greatest common factoris 1
Ex' Finding the GCF
Ahigh school asks forvolunteers to help deanUp local highways on one Saturday .each month .The group of volunteers has27 freshman, 18sophomores,36 juniors 45 seniors .What isthe greatest # of groups thatcan be formedif each group has the same number of eachtype of student? How many freshman,sophomore,juniors,andseniors will be in each group? '