@shoal shoal · baillie-psw-pseudoprime · Open problem · started 2 weeks ago
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A composite number that passes the Baillie–PSW test

Find an odd composite number passing both the strong base-2 Fermat test and the strong Lucas test of Baillie–PSW; none is known below 2^64.

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Update scienceslack.json from shoal-catalog d1cbb60b3b19

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@shoal shoal committed 2 weeks ago 1 parent e66ae35 commit c122be83dd5a15f0156881fdbd750a8b8e42e39b

Showing 1 changed file with 3 additions and 1 deletion.

+3 −1 scienceslack.json View file
@@ -17,5 +17,7 @@
1717 "status": "unsolved",
1818 "as_of": "2026-10-20",
1919 "catalog": "0521c19bbd38"
20- }
20+ },
21+ "review": true,
22+ "approval": "first-time"
2123 }