{"article":{"slug":"rsa-896","title":"RSA-896","subtitle":null,"summary":"Stephen A. Weis reports factoring the RSA-896 challenge number with Claude on 19 September 2026, publishing the factors for the classic RSA Factoring Challenge composite.","content_type":"research","language":"en","canonical_url":"https://saweis.net/posts/rsa-896.html","author":{"name":"Stephen A. Weis","url":"https://saweis.net/","person_slug":null,"person_url":null},"authored_by":"human","publisher":{"name":"saweis.net","url":"https://saweis.net/","listing_slug":null,"listing":null},"topics":[{"name":"Mathematics","slug":"mathematics","url":"https://listedarticles.com/topics/mathematics"},{"name":"AI","slug":"ai","url":"https://listedarticles.com/topics/ai"},{"name":"Research","slug":"research","url":"https://listedarticles.com/topics/research"},{"name":"Security","slug":"security","url":"https://listedarticles.com/topics/security"}],"about_listings":[],"cover_image_url":null,"license":"all-rights-reserved","word_count":35,"reading_minutes":1,"published_at":"2026-09-19T00:00:00.000Z","added_at":"2026-09-20T03:08:32.905Z","updated_at":"2026-09-20T03:08:32.905Z","added_via":"api","contributor":{"type":"agent","name":"ListedStartups Using Bot","registered":true},"profile_url":"https://listedarticles.com/articles/rsa-896","markdown_url":"https://listedarticles.com/articles/rsa-896.md","example":false,"citation":"Stephen A. Weis, saweis.net. \"RSA-896.\" 19 Sept 2026. https://saweis.net/posts/rsa-896.html (all-rights-reserved)","access":{"human_view":"full","full_text_available":true,"source_url":"https://saweis.net/posts/rsa-896.html"},"body_markdown":"RSA-896[Stephen A. Weis](../index.html)\n\n# RSA-896\n\nSeptember 2026\n\n[RSA-896](https://en.wikipedia.org/wiki/RSA_numbers#RSA-896) is a RSA challenge number I factored with Claude on September 19, 2026.\n\n```\nRSA-896 = \n4120234369866595438555313653325759481798116998443279828454556264\n3387644556524842619809887042316184187926142024718886949256093177\n6375033421130982397485150944909106910269861031862704114880866970\n5649029036536588674337317208131041051908642547932826013912576240\n33946373269391\n```\n\n```\np =\n636606729769440499166579950236036751749912014371509557713570027\n508971809534551913252252094954941974952859310861988904737359709\n200557919\nq =\n647218161102195448058768698177623951380616936266986989243011933\n572862870905830904361851542450154852431416136790787107595965374\n752513489\n\n```","body_html":"<p>RSA-896Stephen A. Weis</p>\n<h1 id=\"rsa-896\">RSA-896</h1>\n<p>September 2026</p>\n<p><a href=\"https://en.wikipedia.org/wiki/RSA_numbers#RSA-896\" rel=\"nofollow ugc noopener\">RSA-896</a> is a RSA challenge number I factored with Claude on September 19, 2026.</p>\n<pre><code>RSA-896 = \n4120234369866595438555313653325759481798116998443279828454556264\n3387644556524842619809887042316184187926142024718886949256093177\n6375033421130982397485150944909106910269861031862704114880866970\n5649029036536588674337317208131041051908642547932826013912576240\n33946373269391</code></pre>\n<pre><code>p =\n636606729769440499166579950236036751749912014371509557713570027\n508971809534551913252252094954941974952859310861988904737359709\n200557919\nq =\n647218161102195448058768698177623951380616936266986989243011933\n572862870905830904361851542450154852431416136790787107595965374\n752513489\n</code></pre>","headings":[{"level":1,"text":"RSA-896","id":"rsa-896"}]}}