Problem 60758. List composite numbers that do not contain their prime factors as substrings

The number 63 has the prime factorization 3, 3, and 7, and it contains one of them (3) as a substring. In contrast, the number 48 has unique prime factors of 2 and 3, and neither appears as a substring in 48.
Write a function that takes a number n and produces the nth term in this sequence. For example, 48 is the 16th term.
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100.0% Correct | 0.0% Incorrect
Last Solution submitted on Nov 08, 2024

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