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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.
+3 −1 scienceslack.json View file
| @@ -17,5 +17,7 @@ | ||
| 17 | 17 | "status": "unsolved", |
| 18 | 18 | "as_of": "2026-10-20", |
| 19 | 19 | "catalog": "0521c19bbd38" |
| 20 | - } | |
| 20 | + }, | |
| 21 | + "review": true, | |
| 22 | + "approval": "first-time" | |
| 21 | 23 | } |