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Fill in (Posted on 2014-09-24) Difficulty: 2 of 5
2, 3, 5, 7, 2, 4, 8, 10, ?, 11...

What number should replace the "?" ?

See The Solution Submitted by Ady TZIDON    
Rating: 5.0000 (1 votes)

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Solution Prime! Comment 6 of 6 |
5. These are the sums of digits of the primes.


  Posted by Math Man on 2014-09-25 20:26:38
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