4
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There is a relation between rectilinear-adjacent squares such that there is a unique rectilinear path from the top-left corner of the grid down to the bottom-right corner of the grid. Each square can participate in the path no more than once. What is the relation and the path it induces?

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Previous

Hint 1

Closely-related to Follow the path of relation through the grid #8 .

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  • $\begingroup$ Can you give a hint? $\endgroup$ – Culver Kwan May 14 at 4:37
  • $\begingroup$ @CulverKwan Yeah, I'll add one soon $\endgroup$ – Galen May 14 at 14:40
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The answer is

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Reason

Each numbers' total prime factors are exactly 4. F ex: 90 is 2*3*3*5; 36 is 2*2*3*3; 88 is 2*2*2*11..... etc

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  • 1
    $\begingroup$ Very fitting that you solved this! $\endgroup$ – El-Guest May 14 at 17:14
  • $\begingroup$ I felt honored ;P $\endgroup$ – Prim3numbah May 14 at 17:32

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