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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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Hints/Tips re: Not sure why you would do this... | Comment 4 of 6 |
(In reply to Not sure why you would do this... by Jer)

11 is 16 less than 27, but 27 is not a prime....

and there is much simpler explanation, related to the prime numbers sequence....


  Posted by Ady TZIDON on 2014-09-25 00:40:13
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