待解决问题
两个质数的和是40，求这两个质数的乘积的最大值是多少？
&两个质数的和是40，求这两个质数的乘积的最大值是多少？
提问时间： 14:38:54提问者：
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40=3+37=11+29=17+2311&29=319 17&23=391 这两个质数乘积最大是391
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回答时间： 15:49:28
&40=3+37=11+29=17+2311&29=31917&23=391这两个质数乘积最大是391
回答时间： 15:01:34
回答时间： 08:55:28
回答时间： 00:08:47
&两个和是40的质数有：37+3；11+29；17+23
两数和一定时，两数的差越小它们的乘积越大
所以两个质数的和是40，这两个质数的乘积的最大值是17*23=391
回答时间： 20:37:53
回答时间： 16:04:21
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