factordbrpc · fdb
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Home prime · Base 33 of 633 length 18 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 3 633 3×211
1 Fully factored 4 3478 2×37×47
2 Fully factored 7 2412182 2×653×1847
3 Fully factored 9 101739494 2×1307×38921
4 Fully factored 11 86786923622<11> 2×7×281×22060733
5 Fully factored 13 3122165443…87<13> 15473×201781519
6 Fully factored 14 1998308566…56<14> 26×1231×253643959
7 Fully factored 22 3746184092…42<22> 2×13×719×2003949979…43<18>
8 Fully factored 24 1446896158…93<24> 11831×1222970296…03<20>
9 Fully factored 24 6511946577…06<24> 2×172×71×479×3566149×9289442347<10>
10 Fully factored 28 5451456973…34<28> 2×401×6797327897…17<25>
11 Fully factored 30 1683471838…84<30> 25×17×29×41×30763×385042921×21972894613<11>
12 Fully factored 37 5737577957…42<37> 2×29×811×1219775066…59<33>
13 Fully factored 39 2663480913…33<39> 5413×43276711×210729110951<12>×5395513453…81<16>
14 Fully factored 42 4969231305…24<42> 22×293×2579×3359×33533×18892534621<11>×7725696075…29<17>
15 Fully factored 48 2452689103…54<48> 2×5979983×188556051487<12>×1087607218…37<30>
16 Fully factored 51 2779484079…53<51> 67×179×7481×1072991×2887224957…51<37>
17 Composite 54 2861634373…69<54> 4877×32441×1808702568…17<46>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (46 digits) of term #17:
1808702568360375581457431250401671875492859717
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 '633' --type 50 --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":"633"},"type":50,"part":"last20","fr":0}}'