Unknown pattern

Logic Level 2
1 1
2 2
3 2
4 3
5 2
6 4
7 2
8 4
9 ?

Fill in for "?"

Tip: Don't overcomplicate it.


The answer is 3.

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1 solution

Jonathan Tse
Apr 14, 2019

The number on the right is the number of factors that the number on the left has!

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