document.write( "Question 921610: What is the Greatest Common factor of 18,90 and 30 \n" ); document.write( "
Algebra.Com's Answer #559095 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"18+=+highlight%282%29%2Ahighlight%283%29%2A3\" (\"3\" prime factors, \"2\" distinct)\r
\n" ); document.write( "\n" ); document.write( "\"90+=+highlight%282%29%2Ahighlight%283%29%2A3%2A5\" (\"4\" prime factors, \"3\" distinct)\r
\n" ); document.write( "\n" ); document.write( "\"30+=+highlight%282%29%2Ahighlight%283%29%2A5\" (\"3\" distinct prime factors)\r
\n" ); document.write( "\n" ); document.write( "\"gcd%2818%2C+90%2C+30%29=2%2A3=highlight%286%29\"
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