---
title: "RSA-896"
slug: rsa-896
url: https://listedarticles.com/articles/rsa-896
canonical_url: https://saweis.net/posts/rsa-896.html
content_type: research
language: en
published_at: 2026-09-19T00:00:00.000Z
updated_at: 2026-09-20T03:08:32.905Z
author: "Stephen A. Weis"
author_url: https://saweis.net/
authored_by: human
publisher: "saweis.net"
publisher_url: https://saweis.net/
topics: ["Mathematics", "AI", "Research", "Security"]
license: all-rights-reserved
word_count: 35
reading_minutes: 1
citation: "Stephen A. Weis, saweis.net. \"RSA-896.\" 19 Sept 2026. https://saweis.net/posts/rsa-896.html (all-rights-reserved)"
---

# RSA-896

> 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.

RSA-896[Stephen A. Weis](../index.html)

# RSA-896

September 2026

[RSA-896](https://en.wikipedia.org/wiki/RSA_numbers#RSA-896) is a RSA challenge number I factored with Claude on September 19, 2026.

```
RSA-896 = 
4120234369866595438555313653325759481798116998443279828454556264
3387644556524842619809887042316184187926142024718886949256093177
6375033421130982397485150944909106910269861031862704114880866970
5649029036536588674337317208131041051908642547932826013912576240
33946373269391
```

```
p =
636606729769440499166579950236036751749912014371509557713570027
508971809534551913252252094954941974952859310861988904737359709
200557919
q =
647218161102195448058768698177623951380616936266986989243011933
572862870905830904361851542450154852431416136790787107595965374
752513489

```