document.write( "Question 856528: I am thinking of a positive number, less than 500, that is divisible by every number from 1 to 10 (inclusive), with one exception. What number am I thinking of? Prove that the answer is unique. \n" ); document.write( "
Algebra.Com's Answer #516069 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! I am thinking of a positive number, less than 500, that is divisible by every number from 1 to 10 (inclusive), with one exception. \n" ); document.write( " What number am I thinking of? Prove that the answer is unique. \n" ); document.write( ": \n" ); document.write( "i think the exception is 7, the other prime numbers have multiples \n" ); document.write( ": \n" ); document.write( "Prime factor the last three numbers \n" ); document.write( "10: 2 * 5 \n" ); document.write( "9: 3 * 3 \n" ); document.write( "8: 2*2*2 \n" ); document.write( ": \n" ); document.write( "LCM: 2*2*2*3*3*5 = 360 is the number \n" ); document.write( " |