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Search: Posts Made By: CRGreathouse
Forum: Probability & Probabilistic Number Theory 2015-11-10, 16:33
Replies: 6
Views: 6,796
Posted By CRGreathouse
My reasoning for the heuristic given above: ...

My reasoning for the heuristic given above:

A random number would be coprime to 30 for 8/30 of the time. But if you look at the concatenations mod 30 there are only 4 which lead to numbers coprime...
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