factordbrpc · fdb
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Home prime · Base 19 of 8782 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 4 8782 2×4391
1 Fully factored 5 18109 7×13×199
2 Fully factored 5 52905 3×5×3527
3 Fully factored 6 428785 5×7×12251
4 Fully factored 8 13304993 13×1023461
5 Fully factored 8 33212748 22×3×2767729
6 Fully factored 11 35898774932<11> 22×33023×271771
7 Fully factored 14 1298927640…08<14> 24×107×10859×698701
8 Fully factored 19 1686813503…15<19> 5×41×8228358552…23<16>
9 Fully factored 20 7763803582…37<20> 486871991×159462933307<12>
10 Fully factored 21 1571076020…96<21> 24×3×32987×460477×215479123
11 Fully factored 26 7935694003…96<26> 27×3×7×9461×1381168543<10>×2259289729<10>
12 Fully factored 37 1347758000…99<37> 211×3224909×1980669431…01<28>
13 Fully factored 39 1347486272…01<39> 7×1924980389…43<38>
14 Fully factored 40 1632516129…50<40> 2×3×52×11×193×5126444117…07<34>
15 Fully factored 43 3434322991…04<43> 22×23×26784701×1393691037…37<34>
16 Fully factored 46 1203346536…61<46> 17×17807×5346487×17440393×4263107164…09<26>
17 Fully factored 49 3530278101…45<49> 5×1540172237…97<14>×1404364363…29<18>×3264298183…53<18>
18 Composite 51 3816763512…34<51> 2×3×8320962218…89<24>×7644876101…51<26>
↳ 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 #18:
832096221885708676704889
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 '8782' --type 36 --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":"8782"},"type":36,"part":"last20","fr":0}}'