factordbrpc · fdb
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Home prime · Base 19 of 2893 length 22 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
2 Fully factored 6 271184 24×17×997
3 Fully factored 10 1887165680<10> 24×5×467×50513
4 Fully factored 15 2459265231…95<15> 5×83×7703×76930291
5 Fully factored 18 2199404943…80<18> 25×5×13×43×277×6133×1447507
6 Fully factored 24 2198245567…24<24> 23×13×2309×43159×2121033658…01<14>
7 Fully factored 28 1508944491…44<28> 23×3×3319×194888641×9720044263…89<14>
8 Fully factored 32 1034281332…86<32> 2×3181×1408367×1523647771<10>×757608084829<12>
9 Fully factored 34 4357209532…88<34> 23×37×103×1429155579…51<30>
10 Fully factored 38 2560713911…09<38> 2221×14163754733<11>×8140181805…13<24>
11 Fully factored 38 7465498764…39<38> 1979×3772359153…41<35>
12 Fully factored 40 1263454446…80<40> 22×3×5×7×419×355031×8105059668…19<14>×2495018570…59<15>
13 Fully factored 46 1206574827…81<46> 919×6257×11347526431<11>×1849146804…97<29>
14 Fully factored 47 2762923575…08<47> 22×17×101×674280086251<12>×5966206101…31<31>
15 Fully factored 51 1601256017…82<51> 2×7×4937×56082589×66116909×266867039×2341176083…41<22>
16 Fully factored 55 1227444595…14<55> 2×3×13×109×9772466504…11<13>×1477326903…37<38>
17 Fully factored 58 7678841213…47<58> 53×863×9029×1038339801…51<13>×1790729001…87<38>
18 Fully factored 62 6710037921…57<62> 3×7×277×1046279148…93<18>×1102499346…97<42>
19 Fully factored 65 2953144915…43<65> 29×97×303257×11769167×245115049×1200020019…81<41>
20 Fully factored 68 9153679198…72<68> 22×3×13×17×467×28718625569<11>×2573603487…57<52>
21 Composite 74 1638282342…48<74> 23×109×1878764154…09<71>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (71 digits) of term #21:
18787641542681309203755560752762390868742717696014096673802010261179409
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 '2893' --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":"2893"},"type":36,"part":"last20","fr":0}}'