document.write( "Question 252667: Not including the number one (1) which is always a common but not prime
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document.write( "factor, 54 and 81 have how many common factors?\r
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document.write( "A) 1 B) 2 C) 3 D) 4 E) 5\r
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Algebra.Com's Answer #184692 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 81 has 3*3*3*3 \n" ); document.write( "54 has 3*3*3*2 \n" ); document.write( "so they have the prime number 3 in common \n" ); document.write( "but they also have 3,9,27 in common \n" ); document.write( "so they have three common factors not including one \n" ); document.write( " |