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An Efficient Quantum Factoring Algorithm

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arxiv 2308.06572 v3 pith:FK6VMUM5 submitted 2023-08-12 quant-ph cs.CC

classification quant-phcs.CC
keywords algorithmclassicalquantumalgorithmsassumptioncircuitclearcorrectness
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We show that $n$-bit integers can be factorized by independently running a quantum circuit with $\tilde{O}(n^{3/2})$ gates for $\sqrt{n}+4$ times, and then using polynomial-time classical post-processing. The correctness of the algorithm relies on a number-theoretic heuristic assumption reminiscent of those used in subexponential classical factorization algorithms. It is currently not clear if the algorithm can lead to improved physical implementations in practice.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Implementation and Analysis of Regev's Quantum Factorization Algorithm

    quant-ph 2025-02 conditional novelty 6.0 of 10

    A new implementation of Regev's quantum factoring algorithm runs slower than Shor's on small numbers and only beats Shor's effectiveness for selected inputs after per-number parameter tuning.

  2. Introducing the Quantum Economic Advantage Online Calculator

    quant-ph 2025-08 conditional novelty 5.0 of 10

    An open-access web calculator forecasts when quantum computers will beat price-equivalent classical machines, and its robustness analysis shows Shor-style advantage dates are stable while Grover-style dates depend hea...

  3. Strategic Plan for Neutral Atom Quantum Computation

    quant-ph 2026-07 conditional novelty 3.0 of 10

    If qubit-count growth (~1.8x/yr) and gate-error reduction (~0.62x/yr) continue, neutral-atom quantum computers could reach practical quantum advantage within a decade, this roadmap projects.

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