factordbrpc · fdb
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Inverse home prime · Base 4 of 574 length 47 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
27 Fully factored 27 2095632142…30<27> 2×3×5×81309097×115299263×745123271
28 Fully factored 29 1374509829…30<29> 2×32×5×7×113×301970861×6393870260…77<15>
29 Fully factored 31 2879543172…78<31> 2×11×5737×76871×339887×723167×1207481203<10>
30 Fully factored 33 3649388009…18<33> 2×3×137×10006499×4436761329…31<23>
31 Fully factored 34 3048919169…26<34> 2×11×29×48029×9949968085…13<26>
32 Fully factored 35 2670924220…14<35> 2×3×89×5001730749…21<32>
33 Fully factored 36 2048708914…54<36> 2×11×101×7272049×1267883663…93<26>
34 Fully factored 37 3485132077…18<37> 2×293×5947324363…63<34>
35 Fully factored 38 2436024059…22<38> 2×3×1433×1242517×2280246475…17<28>
36 Fully factored 39 6267893784…02<39> 2×1249×310968961×8068859469…59<27>
37 Fully factored 41 1419488769…66<41> 2×33×1261081×27774899239<11>×7504862271…31<22>
38 Fully factored 42 5537610945…10<42> 2×3×5×1423×3408610882…81<13>×3805562503…39<25>
39 Fully factored 44 1755005938…94<44> 2×7×13×4943×1950817271…19<38>
40 Fully factored 45 3272928274…98<45> 2×1636464137…99<45>
41 Fully factored 45 6545856549…98<45> 2×3×37×12109×10430311×126769439×2994898771<10>×6149095754…39<14>
42 Fully factored 47 1995495660…22<47> 2×10979×49813669×1824355525…61<35>
43 Fully factored 47 8023600452…46<47> 2×3×7×2897×6594342630…79<42>
44 Fully factored 48 6914669418…62<48> 2×3×7×19×4646209×7070813×2637548395…57<32>
45 Fully factored 51 1216354505…46<51> 2×32×112×2922636039…21<20>×1910854227…67<28>
46 Composite 52 2310081012…86<52> 2×17×149×1663×14221×1928144773…77<41>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (41 digits) of term #46:
19281447731209244324937497942545924017377
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 '574' --type 14 --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":"574"},"type":14,"part":"last20","fr":0}}'