Strong pseudoprimes to base 2

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Nari K., Özdemir E., ÖZKİRİŞCİ N. A.

RAMANUJAN JOURNAL, vol.59, no.4, pp.1323-1332, 2022 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 59 Issue: 4
  • Publication Date: 2022
  • Doi Number: 10.1007/s11139-022-00570-8
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, MathSciNet, zbMATH
  • Page Numbers: pp.1323-1332
  • Keywords: Primality test, Strong pseudoprime number, Singular cubic curve, FINDING STRONG PSEUDOPRIMES
  • Yıldız Technical University Affiliated: Yes


In this work, we add an additional condition to strong pseudoprime test to base 2. Then, we provide theoretical and heuristic evidence showing that the resulting algorithm catches all composite numbers. Therefore, we believe that our method provides a probabilistic primality test with a running time O(log(2+epsilon) n) for an integer n and epsilon > 0. Our method is based on the structure of singular cubics' Jacobian groups on which we also define an effective addition algorithm.