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A Sevens And Zeroes Problem (Posted on 2006-01-26) Difficulty: 4 of 5
Determine the smallest number constituted entirely by sevens and zeroes which is divisible by 61376.

How about for 107072?

See The Solution Submitted by K Sengupta    
Rating: 3.5000 (2 votes)

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SPOILER | Comment 1 of 6

70007000000

BY DECOMPOSING 61376=2^6*7*137

ADY

 

 


  Posted by Ady TZIDON on 2006-01-26 09:49:39
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