factordbrpc · fdb
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Inverse home prime · Base 8 of 316 length 37 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
17 Fully factored 28 4590611611…22<28> 2×89×2578995287…49<26>
18 Fully factored 30 1056356469…18<30> 2×5281782348…09<29>
19 Fully factored 30 4225425879…74<30> 2×643×29221289243<11>×1124424102…13<17>
20 Fully factored 32 2531977983…94<32> 2×97×139×313×21633413×1386672860…11<18>
21 Fully factored 35 1998406201…02<35> 2×7×31×5557×8329×632299×5769649×272702357251<12>
22 Fully factored 38 4219864585…42<38> 2×97×241871143×8993168443…51<27>
23 Fully factored 40 3955237309…10<40> 2×5×11×13×10949×2730569×112108595113<12>×8252204597…99<15>
24 Fully factored 44 6538070069…98<44> 2×17×1235184537…91<18>×1556821451…67<26>
25 Fully factored 46 1148731475…18<46> 2×3×29389×1642136987<10>×2081916512…09<13>×1905503579…69<19>
26 Fully factored 48 1509695472…86<48> 2×2851×34301×44224899791<11>×1745373993…73<29>
27 Fully factored 50 1030286955…26<50> 2×79×191×563340694559<12>×6060334871…63<33>
28 Fully factored 52 5589672319…42<52> 2×149×197230349×194572719293<12>×4887810875…97<30>
29 Fully factored 55 1181800153…14<55> 2×7255173776…71<20>×8144533750…67<34>
30 Fully factored 55 4807684150…74<55> 2×3×7×4695701×268529119861<12>×1807867092…89<13>×5021440424…93<23>
31 Fully factored 58 1042912373…54<58> 2×3×443×2939×11304311×3576673029…23<18>×3301945649…39<26>
32 Fully factored 59 8572341012…14<59> 2×32×1640803×2902488399…91<52>
33 Fully factored 61 3116523188…38<61> 2×33×7×11×89×834961×2750479183<10>×1458018747…23<15>×2515117099…51<26>
34 Fully factored 66 1369359999…14<66> 2×3×139×1879×8738256862…99<59>
35 Fully factored 68 1172828982…66<68> 2×13×34513×6287117×780716724547<12>×2662769690…43<43>
36 Composite 71 2637079372…50<71> 2×52×2767×24841513×7673014071…67<58>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (58 digits) of term #36:
7673014071526431689662486832926696641351781586045282484667
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 '316' --type 18 --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":"316"},"type":18,"part":"last20","fr":0}}'