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Omni-MATH / For positive integers n, let L(n) be the largest factor of n other than n itself. Determine the number of ordered pairs of composite positive integers (m,n) for which L(m)L(n)=80. · Discussion

Discussing For positive integers n, let L(n) be the largest factor of n other than n itself. Determine the number of ordered pairs of composite positive integers (m,n) for which L(m)L(n)=80. · Omni-MATH

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