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Primality Test Via Quantum Factorization

H. F. Chau, H. -K. Lo

quant-pharXiv:quant-ph/9508005

Abstract

We consider a probabilistic quantum implementation of a variable of the Pocklington-Lehmer N-1 primality test using Shor's algorithm. O(3 N N N) elementary q-bit operations are required to determine the primality of a number N, making it (asymptotically) the fastest known primality test. Thus, the potential power of quantum mechanical computers is once again revealed.

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