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Morning Edition · Sunday, September 20, 2026Published at 2:20 AM EDT · New York
Researcher Factors RSA-896 With Claude's Help, Advancing the Public Factoring Record 34 Bits in 16 Days
Stephen Weis had the model port the CADO-NFS sieving software to graphics processors and orchestrate up to 2,048 of them for roughly 30 GPU-years of work over ten days.
Stephen A. Weis published the factorization of RSA-896, a 270-digit semiprime, on September 19. The work used the general number field sieve, the classical algorithm that has governed large-integer factoring since the early 1990s, with no q…
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