factordbrpc · fdb
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Home prime · Base 24 of 8249 length 23 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
3 Fully factored 6 817447 769×1063
4 Fully factored 8 10631719 7×29×83×631
5 Fully factored 11 32337364087<11> 7×31×3547×42013
6 Fully factored 14 1863601024…97<14> 7×2662287178…71<13>
7 Fully factored 15 4464859539…03<15> 239×290827×6423551
8 Fully factored 15 6337077545…35<15> 5×643×197109721489<12>
9 Fully factored 18 1843006165…01<18> 23×8013070284…87<16>
10 Fully factored 18 8479810613…35<18> 5×652207×260034333061<12>
11 Fully factored 21 1069016062…09<21> 151×119479079×5925369221<10>
12 Fully factored 22 3189545435…01<22> 461×94121×7350913883…21<14>
13 Fully factored 24 2328824296…89<24> 91951×2532679684…39<19>
14 Fully factored 25 1934258033…15<25> 5×19×313×9803×6635711008…63<16>
15 Fully factored 26 4057927184…39<26> 11×23×163×23478977989<11>×41909930009<11>
16 Fully factored 28 2004992797…73<28> 7×2864275425…39<27>
17 Fully factored 29 2842634856…71<29> 67271×4225646796…01<24>
18 Fully factored 30 4694946257…97<30> 421×1201×4018717×2310564508…21<18>
19 Fully factored 32 4062635148…09<32> 7×19×43×57881×1227302727…31<24>
20 Fully factored 35 1039619005…95<35> 5×29×1361×4447×61074281×1939646515…73<18>
21 Fully factored 38 9311924915…97<38> 83×68507×1325660298…41<13>×1235361815…57<20>
22 Composite 40 1534124881…33<40> 11×431×246484829×1312806035…97<28>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (28 digits) of term #22:
1312806035022429094148554297
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 '8249' --type 41 --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":"8249"},"type":41,"part":"last20","fr":0}}'