document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1207657>Question 1207657</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The number $100$ has four perfect square divisors, namely $1,$ $4,$ $25,$ and $100.$\r<BR>\n" );
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document.write( "What is the smallest positive integer that has exactly $2$ perfect square divisors? </SPAN>\n" );
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document.write( "The two smallest perfect squares are 1 and 4, so the smallest positive integer that has exactly 2 perfect square divisors is the least common multiple of 1 and 4, which is, trivially, 4.<br><BR>\n" );
document.write( "ANSWER: 4<br><BR>\n" );
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