### Abstract

This article provides a formalization of the solution obtained by the author of the Problem “ARITHMETIC PROGRESSIONS” from the Putnam exam problems of 2002. The statement of the problem is as follows: For which integers n > 1 does the set of positive integers less than and relatively prime to n constitute an arithmetic progression?

### License

BSD License

### Topics

- Mathematics/Number theory

### Session Arith_Prog_Rel_Primes

- Arith_Prog_Rel_Primes

## Cite

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Arith_Prog_Rel_Primes-AFP

    @article{Arith_Prog_Rel_Primes-AFP,
      author  = {José Manuel Rodríguez Caballero},
      title   = {Arithmetic progressions and relative primes},
      journal = {Archive of Formal Proofs},
      month   = {February},
      year    = {2020},
      note    = {\url{https://isa-afp.org/entries/Arith_Prog_Rel_Primes.html},
                 Formal proof development},
      ISSN    = {2150-914x},
    }

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