factordbrpc · fdb
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Home prime · Base 34 of 722 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 454381 43×10567
4 Fully factored 7 1700639 41×41479
5 Fully factored 8 54831255 3×5×149×24533
6 Fully factored 10 4867471197<10> 34×60092237
7 Fully factored 15 1876706245…97<15> 3802171×49358807
8 Fully factored 16 5873610600…43<16> 3×1957870200…81<16>
9 Fully factored 16 8151003462…09<16> 11×4261×173902913579<12>
10 Fully factored 18 7796867217…59<18> 37×251219×83881450453<11>
11 Fully factored 20 8874619073…49<20> 13×47×53×239×881×32251×403567
12 Fully factored 25 1223163655…15<25> 5×2446327311…63<24>
13 Fully factored 26 1618993208…43<26> 3×17569×3071685371…49<21>
14 Fully factored 27 3737520548…65<27> 5×163×3823×1192409×1005996424…73<15>
15 Fully factored 30 6443983645…77<30> 16249×687012805883<12>×5772486933…31<14>
16 Fully factored 31 1761888863…99<31> 19×37×784687×10026572497<11>×318547520947<12>
17 Fully factored 34 2757740744…11<34> 1597×23747×106663×907757×7510284107…19<15>
18 Fully factored 36 2314869158…79<36> 45191×5122411892…69<31>
19 Fully factored 37 6548013245…13<37> 32×13×233×15535873×20524077733<11>×7533008427…37<15>
20 Fully factored 41 2040634773…93<41> 11×103×227×2919481×36723853×7400407292…11<21>
21 Fully factored 44 8439420863…79<44> 13×83×488417×1601402229…53<36>
22 Composite 46 3382474022…05<46> 5×32911×295591×6953959872…21<35>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (35 digits) of term #22:
69539598724880282113587997961156921
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 '722' --type 51 --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":"722"},"type":51,"part":"last20","fr":0}}'