document.write( "Question 169315This question is from textbook Introductory Algebra
\n" ); document.write( ": Find the LCM\r
\n" ); document.write( "\n" ); document.write( "20, 36, 45
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Algebra.Com's Answer #124850 by Mathtut(3670)\"\" \"About 
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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 \"2%2A2%2A3%2A3%2A5=180\"
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