Question: Let k Z+. Prove that there exists a positive integer n such that k and the only digits in n are O's and 3's.

Let k ∈ Z+. Prove that there exists a positive integer n such that k\n and the only digits in n are O's and 3's.

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Proof Consider the k 1 integers 1 3 2 33 3 333 and Jk 1 3333 ... View full answer

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