factordbrpc · fdb
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Home prime · Base 17 of 6303 length 20 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 6303 3×11×191
1 Fully factored 5 18109 7×13×199
2 Fully factored 5 38347 31×1237
3 Fully factored 6 153540 22×32×5×853
4 Fully factored 9 873488036 22×61×3579869
5 Fully factored 12 252603239454<12> 2×32×90599×154897
6 Fully factored 16 1274236782…08<16> 25×41×233113×4166293
7 Fully factored 22 1757885729…77<22> 1217×677213×2132921028…37<13>
8 Fully factored 23 5924387988…43<23> 1149549743<10>×5153659530…01<14>
9 Fully factored 24 6697532431…24<24> 22×56671×102667×1939573×14837371
10 Fully factored 28 2534190213…74<28> 2×11×948377×2980949×4074562367…29<14>
11 Fully factored 30 9118777081…96<30> 22×3×74497141909<11>×1020036568…87<19>
12 Fully factored 33 2089741751…39<33> 13×6247×16209343×20293703×7822598656…81<13>
13 Fully factored 35 2180499800…51<35> 3×5081519×877771969937<12>×1629519396…39<16>
14 Fully factored 37 1547371305…46<37> 2×19×1674067×2432417431…51<29>
15 Fully factored 40 4892067298…11<40> 3×19×3037891393<10>×11547459013<11>×2446577031…47<19>
16 Fully factored 43 2099000881…55<43> 32×5×19×61×643×41485211111<11>×1508733014…77<25>
17 Fully factored 48 1825551747…94<48> 2×11×83×101×1979×363481×120188389×1144938023…79<26>
18 Fully factored 51 7480729334…09<51> 1523×18413×2983615399<10>×16298261443<11>×5485741829…63<24>
19 Composite 54 4277288483…01<54> 3×31×658979129×6979333222…33<43>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (43 digits) of term #19:
6979333222819707805190111933554550691333233
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 '6303' --type 34 --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":"6303"},"type":34,"part":"last20","fr":0}}'