factordbrpc · fdb
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Home prime · Base 9 of 813 length 76 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
56 Fully factored 104 3274752551…42<104> 2×6355029224…07<28>×7968235915…19<36>×3233469417…87<40>
57 Fully factored 106 1991118609…35<106> 5×2399×11733833227<11>×1133397489…27<28>×1248172820…17<65>
58 Fully factored 108 4025201673…31<108> 125887×4318735750…79<14>×4696049496…39<20>×3048847206…71<26>×5171086503…63<44>
59 Fully factored 110 1295433538…67<110> 43×55763759×4727758458…99<50>×1142718764…09<51>
60 Fully factored 112 2359436799…06<112> 2×192×8101×2703619×10483721×97057523×3946297019…33<13>×5147222114…59<25>×7219044050…67<46>
61 Fully factored 117 5852564765…11<117> 59441×2692678049…39<25>×4746243019…01<27>×3155647522…87<28>×2441390398…47<34>
62 Fully factored 118 2369764917…91<118> 859×2758748449…49<115>
63 Fully factored 118 2776681077…08<118> 23×19387×192737×9288814898…29<107>
64 Fully factored 121 3863005413…47<121> 102225793597<12>×1866464119…03<14>×1462687432…71<21>×3338143847…39<33>×4146566197…93<44>
65 Fully factored 123 4528288572…11<123> 223×521×4522633×7870153166…03<19>×8624356889…17<36>×1269668242…99<57>
66 Fully factored 124 3455379046…64<124> 22×167×195618736283<12>×2192345348…63<24>×1206145821…37<87>
67 Fully factored 127 2050053928…94<127> 2×1174899935…97<13>×1224931042…11<17>×7122341104…91<98>
68 Fully factored 128 2021066114…65<128> 5×679807×4820383×78471409×2568635759<10>×179942117177<12>×1191693050…17<15>×7100586576…11<15>×2200544476…77<17>×1826449851…81<41>
69 Fully factored 133 2492352240…46<133> 2×11×51549089×8340825382…67<13>×2634854972…61<111>
70 Fully factored 135 7552466542…94<135> 2×43×34469×51563×6312979×168828834271<12>×4635990433…73<106>
71 Fully factored 137 7264113399…44<137> 24×7243×27329×70693783×4202194410…37<26>×7720813171…57<94>
72 Fully factored 142 3802245896…77<142> 13×199×317×3643×742127×532732652197<12>×3219124615…39<115>
73 Fully factored 145 1817039206…43<145> 2731048081<10>×34628277379<11>×8626726616…19<30>×2227193904…03<95>
74 Fully factored 146 7816425555…54<146> 2×22067×5815093731…77<20>×2062641115…29<32>×3091479924…19<41>×4776261372…03<50>
75 Composite 149 1918746691…61<149> 19×61×2657×472711×1318095705…77<137>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (137 digits) of term #75:
13180957056141379839814760763666428928566306882223279209966903154381735396501471364867559569648276712659080679758662518986387768704956577
Check for factors - let the server run a small P-1 / P+1 / ECM step on the composite:
level 1 done · takes up to a minute
From the command linefdb · curl
fdb
fdb seq view '813' --type 9 --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":"813"},"type":9,"part":"last20","fr":0}}'