factordbrpc · fdb
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Inverse home prime · Base 6 of 495 length 35 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
15 Fully factored 15 3996181923…53<15> 33×7×13×19×8560250891<10>
16 Fully factored 17 8626760616…49<17> 3×31×53×2017×8677268393<10>
17 Fully factored 19 3148087427…97<19> 33×19079×19447×314249647
18 Fully factored 21 1477554656…77<21> 3×73×11×31×6607×63733753199<11>
19 Fully factored 24 1797999225…97<24> 32×503×61879×6418532126…09<15>
20 Fully factored 25 8383048413…97<25> 3×2794349471…99<25>
21 Fully factored 26 1676609682…97<26> 33×192×127×167×269×3015008436…31<15>
22 Fully factored 28 5103402103…61<28> 3×257×953×6945643838…47<22>
23 Fully factored 29 6999608712…85<29> 3×5×5843×19865159×4020263992…07<17>
24 Fully factored 30 6804963948…57<30> 3×70209107×111603071×2894909420…27<14>
25 Fully factored 32 2286197462…33<32> 3×503×1525703622…87<13>×9930115984…51<16>
26 Fully factored 33 2178364642…89<33> 3×29×61×15641×2624321119…47<25>
27 Fully factored 34 5712575857…41<34> 3×4483×4247584100…09<30>
28 Fully factored 35 1981752838…05<35> 32×5×112×229×1589337470…81<29>
29 Fully factored 37 5766069551…93<37> 3×53×4765162076…11<15>×7610357798…57<20>
30 Fully factored 38 6010129561…89<38> 3×7×18494082473<11>×21272760623<11>×7274579533…71<16>
31 Fully factored 40 9649318871…17<40> 32×7×31×179×359×651901×2377747×2097929597<10>×23643335011<11>
32 Fully factored 44 1137787745…53<44> 3×11×3177683×9988721×307032899×3537870610…13<20>
33 Fully factored 45 2815671324…65<45> 3×5×467×93199×1136623×3794426334…89<30>
34 Composite 46 8323814321…41<46> 3×43×6452569241…29<44>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (44 digits) of term #34:
64525692412255319162210750292054356355778829
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 '495' --type 16 --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":"495"},"type":16,"part":"last20","fr":0}}'