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Palindrome ponder (Posted on 2012-09-23) Difficulty: 2 of 5
Determine the smallest base ten positive palindrome with exactly 4 distinct prime factors.

No Solution Yet Submitted by K Sengupta    
Rating: 3.0000 (1 votes)

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re(2): SOLUTION+ STRICT DEFINITIONs | Comment 6 of 8 |
(In reply to re: SOLUTION+ STRICT DEFINITIONs by broll)

It took me about 8 seconds to  reach a wrong answer.

I just have intimate knowledge of 999=27*37 and 1001-77*13==> those were the two multiplicationS used to calibrate a(or to verify accuracy of a) SLIDE-RULER (look it up, ). One number is slightly under a 1(000) and the other slightly above.


858   ???-  What a surprise!! Never saw this "guy" before.

SO  :I needed more time to provide the correct answer..

  Posted by Ady TZIDON on 2012-09-23 13:28:39
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