Further information is here.
n : Fn (alen) = factors 1 : 1 (1) = unit 2 : 1 (1) = unit 3 : 2 (1) = prime 4 : 3 (1) = prime 5 : 5 (1) = prime 6 : 8 (1) = 2^3 7 : 13 (2) = prime 8 : 21 (2) = 3 * 7 9 : 34 (2) = 2 * 17 10 : 55 (2) = 5 * 11 11 : 89 (2) = prime 12 : 144 (3) = 2^4 * 3^2 13 : 233 (3) = prime 14 : 377 (3) = 13 * 29 15 : 610 (3) = 2 * 5 * 61 16 : 987 (3) = 3 * 7 * 47 17 : 1597 (4) = prime 18 : 2584 (4) = 2^3 * 17 * 19 19 : 4181 (4) = 37 * 113 20 : 6765 (4) = 3 * 5 * 11 * 41 21 : 10946 (5) = 2 * 13 * 421 22 : 17711 (5) = 89 * 199 23 : 28657 (5) = prime 24 : 46368 (5) = 2^5 * 3^2 * 7 * 23 25 : 75025 (5) = 5^2 * 3001 26 : 121393 (6) = 233 * 521 27 : 196418 (6) = 2 * 17 * 53 * 109 28 : 317811 (6) = 3 * 13 * 29 * 281 29 : 514229 (6) = prime 30 : 832040 (6) = 2^3 * 5 * 11 * 31 * 61 31 : 1346269 (7) = 557 * 2417 32 : 2178309 (7) = 3 * 7 * 47 * 2207 33 : 3524578 (7) = 2 * 89 * 19801 34 : 5702887 (7) = 1597 * 3571 35 : 9227465 (7) = 5 * 13 * 141961 36 : 14930352 (8) = 2^4 * 3^3 * 17 * 19 * 107 37 : 24157817 (8) = 73 * 149 * 2221 38 : 39088169 (8) = 37 * 113 * 9349 39 : 63245986 (8) = 2 * 233 * 135721 40 : 102334155 (9) = 3 * 5 * 7 * 11 * 41 * 2161 41 : 165580141 (9) = 2789 * 59369 42 : 267914296 (9) = 2^3 * 13 * 29 * 211 * 421 43 : 433494437 (9) = prime 44 : 701408733 (9) = 3 * 43 * 89 * 199 * 307 45 : 1134903170 (10) = 2 * 5 * 17 * 61 * 109441 46 : 1836311903 (10) = 139 * 461 * 28657 47 : 2971215073 (10) = prime 48 : 4807526976 (10) = 2^6 * 3^2 * 7 * 23 * 47 * 1103 49 : 7778742049 (10) = 13 * 97 * 6168709 50 : 12586269025 (11) = 5^2 * 11 * 101 * 151 * 3001 51 : 20365011074 (11) = 2 * 1597 * 6376021 52 : 32951280099 (11) = 3 * 233 * 521 * 90481 53 : 53316291173 (11) = 953 * 55945741 54 : 86267571272 (11) = 2^3 * 17 * 19 * 53 * 109 * 5779 55 : 139583862445 (12) = 5 * 89 * 661 * 474541 56 : 225851433717 (12) = 3 * 7^2 * 13 * 29 * 281 * 14503 57 : 365435296162 (12) = 2 * 37 * 113 * 797 * 54833 58 : 591286729879 (12) = 59 * 19489 * 514229 59 : 956722026041 (12) = 353 * 2710260697 60 : 1548008755920 (13) = 2^4 * 3^2 * 5 * 11 * 31 * 41 * 61 * 2521 61 : 2504730781961 (13) = 4513 * 555003497 62 : 4052739537881 (13) = 557 * 2417 * 3010349 63 : 6557470319842 (13) = 2 * 13 * 17 * 421 * 35239681 64 : 10610209857723 (14) = 3 * 7 * 47 * 1087 * 2207 * 4481 65 : 17167680177565 (14) = 5 * 233 * 14736206161 66 : 27777890035288 (14) = 2^3 * 89 * 199 * 9901 * 19801 67 : 44945570212853 (14) = 269 * 116849 * 1429913 68 : 72723460248141 (14) = 3 * 67 * 1597 * 3571 * 63443 69 : 117669030460994 (15) = 2 * 137 * 829 * 18077 * 28657 70 : 190392490709135 (15) = 5 * 11 * 13 * 29 * 71 * 911 * 141961 71 : 308061521170129 (15) = 6673 * 46165371073 72 : 498454011879264 (15) = 2^5 * 3^3 * 7 * 17 * 19 * 23 * 107 * 103681 73 : 806515533049393 (15) = 9375829 * 86020717 74 : 1304969544928657 (16) = 73 * 149 * 2221 * 54018521 75 : 2111485077978050 (16) = 2 * 5^2 * 61 * 3001 * 230686501 76 : 3416454622906707 (16) = 3 * 37 * 113 * 9349 * 29134601 77 : 5527939700884757 (16) = 13 * 89 * 988681 * 4832521 78 : 8944394323791464 (16) = 2^3 * 79 * 233 * 521 * 859 * 135721 79 : 14472334024676221 (17) = 157 * 92180471494753 80 : 23416728348467685 (17) = 3 * 5 * 7 * 11 * 41 * 47 * 1601 * 2161 * 3041 81 : 37889062373143906 (17) = 2 * 17 * 53 * 109 * 2269 * 4373 * 19441 82 : 61305790721611591 (17) = 2789 * 59369 * 370248451 83 : 99194853094755497 (17) = prime 84 : 160500643816367088 (18) = 2^4 * 3^2 * 13 * 29 * 83 * 211 * 281 * 421 * 1427 85 : 259695496911122585 (18) = 5 * 1597 * 9521 * 3415914041 86 : 420196140727489673 (18) = 6709 * 144481 * 433494437 87 : 679891637638612258 (18) = 2 * 173 * 514229 * 3821263937 88 : 1100087778366101931 (19) = 3 * 7 * 43 * 89 * 199 * 263 * 307 * 881 * 967 89 : 1779979416004714189 (19) = 1069 * 1665088321800481 90 : 2880067194370816120 (19) = 2^3 * 5 * 11 * 17 * 19 * 31 * 61 * 181 * 541 * 109441 91 : 4660046610375530309 (19) = 13^2 * 233 * 741469 * 159607993 92 : 7540113804746346429 (19) = 3 * 139 * 461 * 4969 * 28657 * 275449 93 : 12200160415121876738 (20) = 2 * 557 * 2417 * 4531100550901 94 : 19740274219868223167 (20) = 2971215073 * 6643838879 95 : 31940434634990099905 (20) = 5 * 37 * 113 * 761 * 29641 * 67735001 96 : 51680708854858323072 (20) = 2^7 * 3^2 * 7 * 23 * 47 * 769 * 1103 * 2207 * 3167 97 : 83621143489848422977 (20) = 193 * 389 * 3084989 * 361040209 98 : 135301852344706746049 (21) = 13 * 29 * 97 * 6168709 * 599786069 99 : 218922995834555169026 (21) = 2 * 17 * 89 * 197 * 19801 * 18546805133 100 : 354224848179261915075 (21) = 3 * 5^2 * 11 * 41 * 101 * 151 * 401 * 3001 * 570601
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