Greatest Common Factor and Least common multiple

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Presentation transcript:

Greatest Common Factor and Least common multiple Gcf & lmc

Whaaaaaat???

Greatest Common Factor (GCF) A common factor is a number that is a factor of two or more numbers. The largest common factors of the two or more numbers is called the Greatest Common Factor __________________________ Common Factor (________) A _____________________________ factor is a _____________________ that is a ______________________ of two or more numbers. The ____________________ common factors of the ___________ or _______________ numbers is called the _______________________________________________________________.

Least Common Multiple (LCM) The least number that is multiple of two or more whole numbers is the least common multiple.

GCF and LCM Problem Solving How can you tell if a word problem requires you to use Greatest Common Factor or Least Common Multiple to solve?

Key words for LCM word problems Smallest Minimum First Least Next Repeated over and over Multiple items When both will meet again When both will be equal

Key words for GCF in word problems Greatest Largest Maximum Dividing something Cutting something into pieces