Minimal steps down to 1: Difference between revisions

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Given:
Given:
* A starting, positive integer (greater than one), N.
* A starting, positive integer (greater than one), N.
* A selection of possible integer perfect devisors, D.
* A selection of possible integer perfect divisors, D.
* And a selection of possible subtractors, S.
* And a selection of possible subtractors, S.
The goal is find the minimum number of steps necessary to reduce N down to one.
The goal is find the minimum number of steps necessary to reduce N down to one.