<PRE><B>Question 1162879</B>
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Under the given condition,  &amp;nbsp;&amp;nbsp;p + r &amp;nbsp;&amp;nbsp;is an &amp;nbsp;EVEN &amp;nbsp;number greater than &amp;nbsp;2.


As such, &amp;nbsp;it has &amp;nbsp;AT &amp;nbsp;LEAST &amp;nbsp;two prime factors, &amp;nbsp;of whom &amp;nbsp;2 &amp;nbsp;is one of the factors.


Therefore, &amp;nbsp;the answer to the problem&#39;s question is &amp;nbsp;2.



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