Is it an open question whether there is a finite set $N$ of positive integers such that for every positive even integer $n$ there are $n_1,n_2\in\mathbb P\cup N$ such that $n=n_1+n_2$? ($\mathbb P$ denotes the set of prime numbers)
2026-03-25 17:40:27.1774460427
Weakening Goldbach hypothesis by allowing finitely many composites and 1
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