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A special partition of the positive integers.

Source: Tuymaada 2001, day 2, problem 1.

April 30, 2007
combinatorics proposedcombinatorics

Problem Statement

All positive integers are distributed among two disjoint sets N1N_{1} and N2N_{2} such that no difference of two numbers belonging to the same set is a prime greater than 100.
Find all such distributions.
Proposed by N. Sedrakyan