factordbrpc · fdb
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Inverse home prime · Base 3 of 87735 length 31 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
11 Fully factored 13 9779986834…38<13> 2×112×19×23×92478647
12 Fully factored 15 1474408353…87<15> 521×282995845147<12>
13 Fully factored 15 2063039711…84<15> 22×3135163×16450817
14 Fully factored 15 7081537578…32<15> 22×1770384394…83<15>
15 Fully factored 16 1593345955…55<16> 5×211061×1509844031<10>
16 Fully factored 16 7221537197…93<16> 17×9781×43430764309<11>
17 Fully factored 17 2308088881…73<17> 31×1109×4129×9811×16573
18 Fully factored 18 3791484850…13<18> 11×409×2132467×39519461
19 Fully factored 19 3720487726…62<19> 2×165043303×11271247177<11>
20 Fully factored 20 1310013627…70<20> 2×5×1310013627…57<19>
21 Fully factored 20 3537036795…56<20> 22×61×1449605244…99<18>
22 Fully factored 21 1056762222…28<21> 23×431×9613×1469893×2169029
23 Fully factored 22 1339752078…82<22> 2×641×1045048423…01<19>
24 Fully factored 22 2285520901…12<22> 22×13×17×19×587×43019×5388661699<10>
25 Fully factored 23 4109176510…14<23> 2×73×50891×5530456189…49<16>
26 Fully factored 23 7935600152…77<23> 131×6057710040…67<21>
27 Fully factored 24 1472023539…12<24> 210×112×37×25469×1260711779…51<13>
28 Fully factored 27 2595693754…85<27> 5×5191387509…57<26>
29 Fully factored 27 4672248758…18<27> 2×2053×112939693×1007535621…21<16>
30 Composite 27 8536734553…37<27> 72×103×1691447305…71<24>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (24 digits) of term #30:
169144730592892021362071
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 '87735' --type 13 --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":"87735"},"type":13,"part":"last20","fr":0}}'