factordbrpc · fdb
Sign in
Show
Open
Conway climb · Base 13 of 30591 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 5 30591 33×11×103
1 Fully factored 5 94236 22×3×7853
2 Fully factored 8 10489740 22×3×5×174829
3 Fully factored 10 1773470197<10> 479×3702443
4 Fully factored 10 2315743954<10> 2×1157871977<10>
5 Fully factored 11 22366870723<11> 7433×3009131
6 Fully factored 11 35880680428<11> 22×8970170107<10>
7 Fully factored 12 305896152551<12> 11×97×286688053
8 Fully factored 13 1595855978…29<13> 7853×203216093
9 Fully factored 13 6406136568…06<13> 2×11×92387×3151829
10 Fully factored 14 6675587213…81<14> 11×106747×56851393
11 Fully factored 15 2629772091…83<15> 107×229×1201×8936261
12 Fully factored 17 3243928136…70<17> 2×34×5×29×5419×254840857
13 Fully factored 20 1952219218…67<20> 32×79×559469×49077559213<11>
14 Fully factored 22 4663316724…22<22> 2×3×29×491×20067241×2720047613<10>
15 Fully factored 25 7207593963…47<25> 3×23×101×199×241×2156501325…57<17>
16 Fully factored 29 2215454577…88<29> 23×17×367×1559×6967×44851×911158270283<12>
17 Fully factored 33 4511598712…37<33> 263×1531×1120468172…29<28>
18 Composite 34 4088075811…35<34> 5×8176151622…47<33>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (33 digits) of term #18:
817615162260228832463856510741047
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 '30591' --type 98 --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":"30591"},"type":98,"part":"last20","fr":0}}'