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Mathematics 13 Online
OpenStudy (anonymous):

What is the least common multiple of 9 and 6?

OpenStudy (amistre64):

if we prime them out, then its the union of the sets

OpenStudy (amistre64):

9 = 3 3 6 = 2 3 ---------- lcm: 2 3 3

OpenStudy (amistre64):

another way to chk is to see which value the 9table and 6tables have in common first 9,18,27,... 6,12,18,.... looks to be 18; 2*3*3

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