factordbrpc · fdb
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Inverse home prime · Base 6 of 465 length 39 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
19 Fully factored 22 3359825472…33<22> 3×23×4869312278…57<20>
20 Fully factored 23 1051771452…53<23> 3×19×1845213073…29<21>
21 Fully factored 23 3985660239…81<23> 32×1511×2930848032…19<19>
22 Fully factored 24 8204498749…01<24> 3×577×773×6131623659…27<18>
23 Fully factored 25 6179263922…05<25> 32×5×17×367×1862532857<10>×11816947403<11>
24 Fully factored 27 2592277919…05<27> 3×5×17×79×4951×2599090264…99<19>
25 Fully factored 28 5657653777…29<28> 3×89×577×6691×17783×13784261×22390807
26 Fully factored 30 8250039199…41<30> 3×2750013066…47<30>
27 Fully factored 31 1650007839…85<31> 3×5×1100005226…79<30>
28 Fully factored 31 3960018815…77<31> 3×17×4259×58676913769<11>×3107078101…37<15>
29 Fully factored 32 4089589136…85<32> 3×5×41883967×6509394771…17<23>
30 Fully factored 33 1416953555…57<33> 3×7×19×4877×46687×403567×3864722802…71<16>
31 Fully factored 36 1098751824…21<36> 32×1220835360…69<35>
32 Fully factored 36 4395007297…05<36> 3×5×743×49405710611<11>×7981828230…99<21>
33 Fully factored 37 2918282865…21<37> 3×23×197×40591×25949641349<11>×2038219525…83<18>
34 Fully factored 38 3476830090…01<38> 3×1158943363…67<38>
35 Fully factored 38 6953660181…05<38> 3×5×192×307×4182891763…61<32>
36 Fully factored 40 2529234695…69<40> 3×19×1447×3066519593…11<35>
37 Fully factored 41 5150575373…45<41> 32×5×490859×2331774104…39<34>
38 Composite 42 8459607804…29<42> 3×149×1892529710…07<40>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (40 digits) of term #38:
1892529710149366198177272958320169301807
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 '465' --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":"465"},"type":16,"part":"last20","fr":0}}'