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Forum URL: http://www.cut-the-knot.org/cgi-bin/dcforum/forumctk.cgi
Forum Name: Middle school
Topic ID: 33
Message ID: 1
#1, RE: Divisibilty Criteria for 7, 11, 13
Posted by alexb on Dec-28-00 at 07:15 PM
In response to message #0
Your divisibility criterion is incorrect. Try it for the number 1001 itself.