factordbrpc · fdb
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Home prime · Base 15 of 4045 length 33 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
13 Fully factored 24 7242804201…12<24> 22×31×269242751×2169407015…13<14>
14 Fully factored 28 2404528074…63<28> 101987×5869933×4016538100…53<16>
15 Fully factored 29 3391346717…53<29> 7×11×31×1420756898…19<26>
16 Fully factored 31 1955090588…94<31> 2×13×941×11543681×83185621×83216861759<11>
17 Fully factored 34 2458892569…09<34> 5852923×15792692711<11>×2660177150…53<17>
18 Fully factored 34 6568584624…53<34> 53×12671×15377433121<11>×6360645506…11<18>
19 Fully factored 36 6807200858…36<36> 22×107×1590467490…37<34>
20 Fully factored 38 9340992312…62<38> 2×1901×28867×8510973727…93<30>
21 Fully factored 40 1658947753…43<40> 35942591×960072319×4807500957…67<23>
22 Fully factored 41 3063124430…17<41> 97×3157860237…61<39>
23 Fully factored 41 6309028904…36<41> 25×829×1548601219…13<16>×1535742529…99<22>
24 Fully factored 47 1579620402…49<47> 17×241639×2209217×1740597706…19<34>
25 Fully factored 49 1914931809…44<49> 24×347×3449084671…47<45>
26 Fully factored 53 1199516497…22<53> 2×5997582487…61<52>
27 Fully factored 54 1739308171…11<54> 43×59×49363×56345647×62707283341<11>×3930756740…03<27>
28 Fully factored 56 5449419512…28<56> 22×19×13499×3547913×104848867×549301849×1948981733<10>×1333765623…71<18>
29 Fully factored 61 2045848726…21<61> 132×67×97×167×673329697×1656517529…09<44>
30 Fully factored 63 1992245589…09<63> 13×31×103×659×1141451419<10>×6380544710…81<46>
31 Fully factored 65 4241478593…06<65> 2×19×157×4451×564467×2070461×1366692542…43<46>
32 Composite 69 3411374304…68<69> 22×7×13×23×53×103×13399×53805097×1035359694…47<50>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (50 digits) of term #32:
10353596941321176630289028138363306213874105311447
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 '4045' --type 33 --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":"4045"},"type":33,"part":"last20","fr":0}}'