HP 49G: Minimum Multiplier M of Integer N such that M*N Consists Only of 1's & 0's

[John Keith]

(01-30-2020 12:18 AM)Albert Chan Wrote:  The problem is above required N item list, which may be huge, and takes time to build.

That would be a problem for the HP49 due to limited memory. The largest practical list is around 5000 - 10000 items depending on size of numbers and the amount of free memory in the calculator.

I think GeraldH's time for 2470747 would be hard to beat.