factordbrpc · fdb
Sign in
Show
Open
Home prime · Base 26 of 5482 length 21 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
1 Fully factored 5 37893 3×17×743
2 Fully factored 7 1670463 34×41×503
3 Fully factored 11 25059221131<11> 7×3579888733<10>
4 Fully factored 11 59802559965<11> 32×5×17×78173281
5 Fully factored 14 1696048102…09<14> 59×65327×4400413
6 Fully factored 15 3211168961…49<15> 3×163×56179×11689079
7 Fully factored 17 1189671005…99<17> 33×17×179×307399×471041
8 Fully factored 21 2013230409…45<21> 32×5×7×312×47×389×36375760441<11>
9 Fully factored 28 2393816726…57<28> 3×11×7253990081…29<26>
10 Fully factored 29 6828812650…93<29> 439×1555538189…87<27>
11 Fully factored 30 3366346832…51<30> 17×83×359×21011×5241830263<10>×6034033543<10>
12 Fully factored 33 2306789079…51<33> 41×277×68447×3404166133<10>×8717241872…93<14>
13 Fully factored 35 1450414308…41<35> 191×557×1363337915…43<30>
14 Fully factored 35 6718785047…91<35> 3×61×459841×11031401×7237711945…97<20>
15 Fully factored 39 4946296946…53<39> 3×7213×224823311×1016720684…57<27>
16 Fully factored 41 1419263246…09<41> 12517943×19178059×5911876272…57<26>
17 Fully factored 43 2963921322…09<43> 41×1414291×5952303795…49<15>×8587345725…11<20>
18 Fully factored 46 3007576574…67<46> 101×272973667×1090873937…01<36>
19 Fully factored 46 7452093335…69<46> 19×31379×1747467149<10>×2258314470…47<14>×3167321494…23<18>
20 Composite 50 2451399922…67<50> 3301×14813×150601639×3328863003…81<34>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (34 digits) of term #20:
3328863003286607934731541489966881
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 '5482' --type 43 --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":"5482"},"type":43,"part":"last20","fr":0}}'