factordbrpc · fdb
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Inverse home prime · Base 9 of 183 length 30 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
10 Fully factored 22 5145816819…50<22> 2×52×23×9413×3194123×148825307
11 Fully factored 25 2481986697…62<25> 2×71×643×3049×3691×37021×65245493
12 Fully factored 26 8813698713…46<26> 2×263×230123×4230337×172122427921<12>
13 Fully factored 28 2870517005…58<28> 2×181×2917×59509×103028869×443377387
14 Fully factored 31 3929626346…89<31> 283×482029×2880657692…27<23>
15 Fully factored 32 1116025811…27<32> 149×4919×236429×350217677×183896024149<12>
16 Fully factored 33 1810954536…03<33> 7×101×13553×140419×1345943469…47<21>
17 Fully factored 35 2771178246…43<35> 52422084973<11>×5286280100…91<24>
18 Fully factored 36 1493001638…44<36> 22×97711×3819942581…01<30>
19 Fully factored 38 1644360025…32<38> 23×1699×1014912547…91<16>×1192023789…81<19>
20 Fully factored 41 1056483308…81<41> 17×71×2027×97103×102061×4357216646…63<24>
21 Fully factored 43 5297358231…62<43> 2×71×3730533966…11<41>
22 Fully factored 44 2719559261…60<44> 23×5×41×49891×3323781528…79<36>
23 Fully factored 47 1043037862…70<47> 2×5×13×66697×298303×2029422499…91<15>×1987102772…79<20>
24 Fully factored 49 7581202934…62<49> 2×7×9137×903389×6751739×1693653720…43<14>×5737086491…53<18>
25 Fully factored 53 1292473767…38<53> 2×11×83×6053549×14016187×6556198399…79<13>×1272415442…69<23>
26 Fully factored 57 2866548347…52<57> 22×17×257×8151730779…37<25>×2012182681…21<28>
27 Fully factored 60 5596451285…08<60> 22×31×271×1667×127248731×367854782461<12>×2134304034…91<33>
28 Fully factored 64 6595672707…64<64> 23×135599×178801243×1362694074…91<17>×2495420404…59<34>
29 Composite 67 6246425322…82<67> 2×3623×8620515212…67<63>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (63 digits) of term #29:
862051521211434263164935668079889606677819333628575733707245267
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 '183' --type 19 --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":"183"},"type":19,"part":"last20","fr":0}}'