document.write( "Question 106671: greatest common factor of 63, 147, and 273 \n" ); document.write( "
Algebra.Com's Answer #77630 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! Find the GCF of 63, 147, and 273 \n" ); document.write( "You can use prime factorisation to find the GCF of these integers.\r \n" ); document.write( "\n" ); document.write( "63 = 3*3*7 \n" ); document.write( "147 = 3*7*7 \n" ); document.write( "273 = 3*7*13 \n" ); document.write( "Now select the factors that are common to the three lists of prime factors and multiply them. \n" ); document.write( "These are 3 and 7 \n" ); document.write( "So the GCF = 3*7 = 21 \n" ); document.write( "Check: \n" ); document.write( "63 = 3*21 \n" ); document.write( "147 = 7*21 \n" ); document.write( "273 = 13*21 \n" ); document.write( " |