Is it possible to fill all the cells of the table $9 \times 2002$ with natural numbers so that the sum of the numbers in any column and the sum of the numbers in any string would be prime numbers?
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Tags: combinatorics, number theory
Is it possible to fill all the cells of the table $9 \times 2002$ with natural numbers so that the sum of the numbers in any column and the sum of the numbers in any string would be prime numbers?