factordbrpc · fdb
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Home prime · Base 14 of 4235 length 28 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
8 Fully factored 16 2557969261…87<16> 53×4391929×10989151
9 Fully factored 17 4252985161…99<17> 70281781×605133379
10 Fully factored 18 1037210838…15<18> 5×43×4824236457…61<15>
11 Fully factored 18 8124526366…73<18> 257×114883×27517511783<11>
12 Fully factored 20 4001423102…59<20> 1053234617<10>×37991754527<11>
13 Fully factored 21 3046530157…19<21> 251×112290719×10809059251<11>
14 Fully factored 22 7655648072…51<22> 3×2663×9582736353…59<18>
15 Fully factored 23 2372975988…79<23> 3×487×1993×8149591293…23<16>
16 Fully factored 24 2658762065…87<24> 685541×3878341434…07<18>
17 Fully factored 25 1493076696…83<25> 12263×1217546030…41<21>
18 Fully factored 25 5234937143…69<25> 18439×2839056968…71<21>
19 Fully factored 25 7871503098…55<25> 5×107×4271×27329×74821×1684717427<10>
20 Fully factored 29 1782751265…83<29> 3×19×31×7214651×25244287×55395663377<11>
21 Fully factored 32 2732160619…25<32> 53×2089×546467×1914669562…87<21>
22 Fully factored 34 9311565693…83<34> 3×1655060790…59<16>×1875372341…79<19>
23 Fully factored 35 7620894224…31<35> 223×8081581×4228679210…37<26>
24 Fully factored 37 5398774830…49<37> 644084071×8382096489…19<28>
25 Fully factored 38 2898300760…23<38> 192×31×337×24165335969<11>×3180180839…01<21>
26 Fully factored 42 2485784228…13<42> 21569641×1395794289…49<16>×8256559102…57<19>
27 Composite 43 7308226948…77<43> 71×1029327739…87<42>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (42 digits) of term #27:
102932773927744607293595015081303677850687
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 '4235' --type 32 --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":"4235"},"type":32,"part":"last20","fr":0}}'