factordbrpc · fdb
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Conway climb · Base 16 of 889 length 19 Not fully computed yet - the last known term is composite. ↓ .elf file
Show sequence-development graph
Term size (digits) across the sequence
How the sequence develops - decimal digits of each term vs iteration.
nStatus DigitsTermFactorization
0 Fully factored 3 889 7×127
1 Fully factored 4 1919 19×101
2 Fully factored 4 4965 3×5×331
3 Fully factored 6 217419 3×232×137
4 Fully factored 7 3240585 32×5×23×31×101
5 Fully factored 11 13507174245<11> 3×5×349×2580167
6 Fully factored 13 3647990095…59<13> 37×53×1860270319<10>
7 Fully factored 14 4091142376…19<14> 312×42571720879<11>
8 Fully factored 14 3426487113…07<14> 11×131×23778536527<11>
9 Fully factored 15 2025400764…19<15> 11×9839×1871403011<10>
10 Fully factored 16 3138484798…71<16> 32×3487205331…19<15>
11 Fully factored 18 2255287019…19<18> 3×17×4422131409…69<16>
12 Fully factored 19 3539747838…29<19> 937×1319×16183×176981921
13 Fully factored 20 6754117405…05<20> 3×5×89×5010263×10097801201<11>
14 Fully factored 23 1574579329…01<23> 11×1431435753…91<22>
15 Fully factored 23 5337746706…47<23> 33×21311720327<11>×92763192943<11>
16 Fully factored 25 3876883534…31<25> 3×101×10651×1419161×846482674507<12>
17 Fully factored 28 1050753015…03<28> 32×2772281×4211345639…07<20>
18 Composite 30 2484062408…43<30> 2484062408…43<30>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (30 digits) of term #18:
248406240828908032806359725643
Check for factors - let the server run a small P-1 / P+1 / ECM step on the composite:
level 0 done · takes up to a minute
From the command linefdb · curl
fdb
fdb seq view '889' --type 101 --part last20
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"sequence_view","params":{"start":{"expr":"889"},"type":101,"part":"last20","fr":0}}'