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Omni-MATH / In how many ways can we fill the cells of a 4×4 grid such that each cell contains exactly one positive integer and the product of the numbers in each row and each column is 2020? · Discussion

Discussing In how many ways can we fill the cells of a 4×4 grid such that each cell contains exactly one positive integer and the product of the numbers in each row and each column is 2020? · Omni-MATH

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