Question #1bd51

2 Answers
sankarankalyanam
Oct 13, 2017

L C M #=4*7=28#

Explanation:

As there is no comm divisor for 4 & 7( since they are relatively prime) the L C M #= 4*7=28#

sjc
Oct 14, 2017

#LCM(4,7)=28#

Explanation:

list the multiples and then pick the common ones

Multiples of #4:[4,8,12,16,20,24,color(red)(28),32,36,..}#

Multiples of #7:{7,14,21,color(red)(28),35,....}#

so the #LCM(4,7)=28#

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