factordbrpc · fdb
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Home prime · Base 5 of 123736 length 27 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
7 Fully factored 11 14341703498<11> 2×23×2633×118411
8 Fully factored 11 90139962161<11> 149×3533×171233
9 Fully factored 12 910804077483<12> 3×31×9793592231<10>
10 Fully factored 14 1239993031…81<14> 1841377×6734053
11 Fully factored 14 1798220399…78<14> 2×2549317×3526867
12 Fully factored 15 2156305406…42<15> 2×59×1827377463…19<13>
13 Fully factored 16 1180568832…44<16> 23×1361×108428437963<12>
14 Fully factored 17 2977168435…38<17> 2×73×149×193×58193×121853
15 Fully factored 19 3853307914…03<19> 7×47×139×201413×418345901
16 Fully factored 21 2748439386…51<21> 29641979×9272118391…69<13>
17 Fully factored 21 5653758904…44<21> 22×34×103×1694162442…77<17>
18 Fully factored 23 5937238241…52<23> 25×3×13×23×48437×4270363239…99<14>
19 Fully factored 26 3638471379…49<26> 3×11×113×79198573×1231995788…97<15>
20 Fully factored 28 1264657405…97<28> 7×113×100417×1592169006…51<20>
21 Fully factored 29 1438103308…76<29> 23×251×277×181619×410413×346867986263<12>
22 Fully factored 32 1418864265…13<32> 19×89×223×433×4127×15215971×1383790494…81<13>
23 Fully factored 34 2801650577…31<34> 19×23×46601×10727693×1122011089<10>×11429673119<11>
24 Fully factored 35 7085482360…44<35> 24×73×17351×110961419×3150866963…07<20>
25 Fully factored 38 2776319412…82<38> 2×2447×6067927×94524901×9890514550…89<19>
26 Composite 39 7725039590…14<39> 2×3×11×1170460544…29<38>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (38 digits) of term #26:
11704605440777161977770595206418084229
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 '123736' --type 5 --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":"123736"},"type":5,"part":"last20","fr":0}}'