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Greatest common factor and least common multiple

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Information about Greatest common factor and least common multiple
Education

Published on February 28, 2014

Author: jeffmacinnis

Source: slideshare.net

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math
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What are they?

Greatest Common Factor  List the factors of 2 numbers, 16 and 12  16: 1,2,4,8,16  12: 1,2,3,4,6,12  Which factors do they have in common?  1,2,4 are common Factors  What is the largest factor? 4

Least Common Multiple  List the Multiples of 3 and 7  3,6,9,12,15,18,21,24,27,30,33,36,39,42  7,14,21,28,35,42  What multiple do 3 and 7 have in common?  21 and 42  Which multiple is the smallest?  21 is the least common multiple

GCF  Now you know what Greatest Common Factor is!  Next up GCF Word Problem!s

LCM  Now you know what Least Common Multiple is!  Next up LCM word problems!

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