Factorial primes: Difference between revisions

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===output===
===output===
<pre>
<pre>
1: 2! + 1 = 3
1: 1! + 1 = 2
2: 3! - 1 = 5
2: 2! + 1 = 3
3: 3! + 1 = 7
3: 3! - 1 = 5
4: 4! - 1 = 23
4: 3! + 1 = 7
5: 6! - 1 = 719
5: 4! - 1 = 23
6: 7! - 1 = 5039
6: 6! - 1 = 719
7: 11! + 1 = 39916801
7: 7! - 1 = 5039
8: 12! - 1 = 479001599
8: 11! + 1 = 39916801
9: 14! - 1 = 87178291199
9: 12! - 1 = 479001599
10: 27! + 1 = 10888869450418352160768000001
10: 14! - 1 = 87178291199
11: 30! - 1 = 265252859812191058636308479999999
11: 27! + 1 = 10888869450418352160768000001
12: 32! - 1 = 263130836933693530167218012159999999
12: 30! - 1 = 265252859812191058636308479999999
13: 33! - 1 = 8683317618811886495518194401279999999
13: 32! - 1 = 263130836933693530167218012159999999
14: 33! - 1 = 8683317618811886495518194401279999999
14: 37! + 1 = 1376375309122634504...79581580902400000001 : 44 digits
15: 38! - 1 = 5230226174666011117...24100074291199999999 : 45 digits
15: 37! + 1 = 1376375309122634504...79581580902400000001 : 44 digits
16: 41! + 1 = 3345252661316380710...40751665152000000001 : 50 digits
16: 38! - 1 = 5230226174666011117...24100074291199999999 : 45 digits
17: 73! + 1 = 4470115461512684340...03680000000000000001 : 106 digits
17: 41! + 1 = 3345252661316380710...40751665152000000001 : 50 digits
18: 77! + 1 = 1451830920282858696...48000000000000000001 : 114 digits
18: 73! + 1 = 4470115461512684340...03680000000000000001 : 106 digits
19: 94! - 1 = 1087366156656743080...99999999999999999999 : 147 digits
19: 77! + 1 = 1451830920282858696...48000000000000000001 : 114 digits
20: 116! + 1 = 3393108684451898201...00000000000000000001 : 191 digits
20: 94! - 1 = 1087366156656743080...99999999999999999999 : 147 digits
21: 154! + 1 = 3089769613847350887...00000000000000000001 : 272 digits
21: 116! + 1 = 3393108684451898201...00000000000000000001 : 191 digits
22: 166! - 1 = 9003691705778437366...99999999999999999999 : 298 digits
22: 154! + 1 = 3089769613847350887...00000000000000000001 : 272 digits
23: 320! + 1 = 2116103347219252482...00000000000000000001 : 665 digits
23: 166! - 1 = 9003691705778437366...99999999999999999999 : 298 digits
24: 324! - 1 = 2288997460179102321...99999999999999999999 : 675 digits
24: 320! + 1 = 2116103347219252482...00000000000000000001 : 665 digits
25: 340! + 1 = 5100864472103711080...00000000000000000001 : 715 digits
25: 324! - 1 = 2288997460179102321...99999999999999999999 : 675 digits
26: 379! - 1 = 2484030746096470705...99999999999999999999 : 815 digits
26: 340! + 1 = 5100864472103711080...00000000000000000001 : 715 digits
27: 399! + 1 = 1600863071165597381...00000000000000000001 : 867 digits
27: 379! - 1 = 2484030746096470705...99999999999999999999 : 815 digits
28: 427! + 1 = 2906347176960734841...00000000000000000001 : 940 digits
28: 399! + 1 = 1600863071165597381...00000000000000000001 : 867 digits
29: 469! - 1 = 6771809666814951090...99999999999999999999 : 1051 digits
29: 427! + 1 = 2906347176960734841...00000000000000000001 : 940 digits
30: 546! - 1 = 1413020092614183254...99999999999999999999 : 1260 digits
30: 469! - 1 = 6771809666814951090...99999999999999999999 : 1051 digits
Program runtime: 10745541000 ns (~10 seconds)
Program runtime: 6084297200 ns (~6 seconds)
</pre>
</pre>


Retrieved from "https://rosettacode.org/wiki/Factorial_primes"