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Triple 8 (Posted on 2013-01-08) Difficulty: 2 of 5
What is the smallest power of 2 that ends in 888?

See The Solution Submitted by Math Man    
Rating: 3.0000 (1 votes)

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re(2): Observation | Comment 7 of 9 |
(In reply to re: Observation by Ady TZIDON)

No that''s D2. 
Its easy to try extending a known string.

D4 would be to replace 2 with "any number" (and disallow first powers.)

  Posted by Jer on 2013-01-10 13:42:14

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