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DoubleFactorial
Stephen Crowley edited this page Mar 14, 2024
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1 revision
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| n | Double Factorial (2n-1)!!| Factorization |
|========================================================================|
1. | 01| 1 | 1 |
2. | 02| 1 | 1 |
3. | 03| 3 | 3 |
4. | 04| 15 | 3 * 5 |
5. | 05| 105 | 3 * 5 * 7 |
6. | 06| 945 | 3^3 * 5 * 7 |
7. | 07| 10395 | 3^3 * 5 * 7 * 11 |
8. | 08| 135135 | 3^3 * 5 * 7 * 11 * 13 |
9. | 09| 2027025 | 3^4 * 5^2 * 7 * 11 * 13 |
10. | 10| 34459425 | 3^4 * 5^2 * 7 * 11 * 13 * 17 |
11. | 11| 654729075 | 3^4 * 5^2 * 7 * 11 * 13 * 17 * 19 |
12. | 12| 13749310575 | 3^5 * 5^2 * 7^2 * 11 * 13 * 17 * 19 |
13. | 13| 316234143225 | 3^5 * 5^2 * 7^2 * 11 * 13 * 17 * 19 * 23|
14. | 14| 7905853580625 | 3^5 * 5^4 * 7^2 * 11 * 13 * 17 * 19 * 23|
15. | 15| 213458046676875 | 3^8 * 5^4 * 7^2 * 11 * 13 * 17 * 19 * 23|