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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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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
    Commented May 14, 2020 at 4:37
  • $\begingroup$ @CulverKwan Yeah, I'll add one soon $\endgroup$
    – Galen
    Commented May 14, 2020 at 14:40

1 Answer 1

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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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    $\begingroup$ Very fitting that you solved this! $\endgroup$
    – El-Guest
    Commented May 14, 2020 at 17:14
  • $\begingroup$ I felt honored ;P $\endgroup$
    – Prim3numbah
    Commented May 14, 2020 at 17:32

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