document.write( "Question 913221: How many positive integers are less than 100 and have an odd number of factors?
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Algebra.Com's Answer #554423 by richard1234(7193)\"\" \"About 
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Only positive integers with an odd number of factors are perfect squares.\r
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\n" ); document.write( "\n" ); document.write( "1, 4, 9, 16, ..., 81 (=9^2)\r
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\n" ); document.write( "\n" ); document.write( "Answer = 9
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