document.write( "Question 51007This question is from textbook Prealgebra
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Algebra.Com's Answer #35869 by AnlytcPhil(1806)\"\" \"About 
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document.write( "Find the GCF of 21 and 55. Please show work\r\n" );
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document.write( "Break 21 and 55 down to prime factors\r\n" );
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document.write( "21 = (3)(7)\r\n" );
document.write( "55 = (5)(11)\r\n" );
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document.write( "We don't see any common factors at all. However, 1 is\r\n" );
document.write( "ALWAYS a common factor of ANY two integers, and if\r\n" );
document.write( "there are no other factors in common, then the answer\r\n" );
document.write( "is GCF = 1\r\n" );
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document.write( "So the answer is GCF = 1\r\n" );
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document.write( "Edwin
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