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)

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	+}