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10001, 100010001, .... (Posted on 2003-05-23) Difficulty: 3 of 5
Consider the following sequence:

10001, 100010001, 1000100010001, 10001000100010001, 100010001000100010001,....

Show that none of them are prime numbers.

See The Solution Submitted by Fernando    
Rating: 3.3333 (6 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
Some Thoughtsre: First observationsAdy TZIDON2013-02-27 06:54:12
re: InfiniteCorey2004-09-28 22:53:35
Doesn't belong hereCorey2004-09-28 22:49:31
QuestionInfiniteTim Axoy2003-05-27 14:22:43
re(2): a twist, perhaps?DJ2003-05-25 08:16:39
Hints/Tipsre: a twist, perhaps?DJ2003-05-25 04:46:47
Some ThoughtsPart of the Solution - HintRavi Raja2003-05-24 05:21:04
re: a twist, perhaps? [TYPOS]DJ2003-05-23 20:24:46
Solutiona twist, perhaps?DJ2003-05-23 20:23:11
re: First observationsGamer2003-05-23 16:18:02
First observationsBrian Smith2003-05-23 14:21:20
hhmmmm...jude2003-05-23 12:03:15
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