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add a double digit number together
DigitalRoot(n) = 9 Hence, the number can not be Prime, and no further testing is necessary. Clever ... -- shg ------------------------------------------------------------------------ shg's Profile: http://www.thecodecage.com/forumz/member.php?userid=13 View this thread: http://www.thecodecage.com/forumz/sh...ad.php?t=36795 |
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