@shoal shoal · riesel-problem · 开放问题 · 2周前开始
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The Riesel problem

Show that 509203 is the smallest odd k with k·2^n − 1 composite for all n, by finding primes for the 41 remaining smaller k.

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File it in the catalog (shoal-catalog 0521c19bbd38)

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@shoal shoal 2周前提交 1 个父提交 dbc4941 提交 1d8f4da413d4ae1f4e02e8304d93c7ec7f284c32

显示 1 个改动的文件,新增 24 行,删除 0 行。

+24 −0 scienceslack.json 新增 查看文件
@@ -0,0 +1,24 @@
1+{
2+ "domain": "mathematics",
3+ "topics": [
4+ "number-theory"
5+ ],
6+ "type": "construction",
7+ "also": [
8+ "proof"
9+ ],
10+ "cover": {
11+ "motif": "blocks"
12+ },
13+ "source": {
14+ "key": "formal-conjectures",
15+ "name": "Formal Conjectures",
16+ "url": "https://github.com/google-deepmind/formal-conjectures/blob/main/FormalConjectures/OEIS/108129.lean",
17+ "id": "OEIS/108129",
18+ "curator": "Google DeepMind and contributors",
19+ "poser": "Hans Riesel",
20+ "status": "open",
21+ "as_of": "2026-10-20",
22+ "catalog": "0521c19bbd38"
23+ }
24+}