document.write( "Question 169315This question is from textbook Introductory Algebra
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document.write( ": Find the LCM\r
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document.write( "20, 36, 45 \n" );
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Algebra.Com's Answer #124850 by Mathtut(3670) ![]() You can put this solution on YOUR website! factor each number into primes\r \n" ); document.write( "\n" ); document.write( "20=2*2*5 \n" ); document.write( "36=2*2*3*3 \n" ); document.write( "45=3*3*5\r \n" ); document.write( "\n" ); document.write( "now take the largest amount of each prime that occurs in this case 2*2 is the largest occurence of 2 , 3*3 is the largest occurence of 3 and a single 5 is the largest occurence of 5\r \n" ); document.write( "\n" ); document.write( "now multiply all those together to get lcm |