document.write( "Question 508023: Could you please show me the steps to get Least Common Multiple for 28,40,56 \n" ); document.write( "
Algebra.Com's Answer #340866 by MathTherapy(10556) You can put this solution on YOUR website! Could you please show me the steps to get Least Common Multiple for 28,40,56\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The first thing to do is find the prime factors of each number, as follows:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "28 = 2 * 2 * 7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "40 = 2 * 2 * 2 * 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "56 = 2 * 2 * 2 * 7\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now we need to select the greatest number of EACH prime factor, and multiply them\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "As seen, there are 3 different prime factors (2, 5, & 7)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The greatest amount of 2s is 3 (2 * 2 * 2)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The greatest amount of 5s is 1 (5)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "The greatest amount of 7s is 1 (7)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Therefore, our LCM will be \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com \n" ); document.write( " |