factordbrpc · fdb
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Home prime · Base 14 of 7201 length 27 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
7 Fully factored 16 2356118249…57<16> 11×23×9312720354…69<13>
8 Fully factored 18 1235453477…53<18> 3×41×601×1671270751…11<13>
9 Fully factored 19 6991887753…39<19> 32×3767×2062321255…13<15>
10 Fully factored 22 1375100732…41<22> 67×1936433×1059881314…31<14>
11 Fully factored 23 2871066720…51<23> 41×5644021×1240711499…91<15>
12 Fully factored 24 2495082052…59<24> 13×331×2341×8617439×2874311647<10>
13 Fully factored 27 2151699702…51<27> 3×41×228427×7658242463…31<19>
14 Fully factored 29 1032192225…23<29> 13×7939940197…71<27>
15 Fully factored 29 4257859012…79<29> 3×32089×4422968423…37<24>
16 Fully factored 30 1725844587…05<30> 3×5×1150563058…67<29>
17 Fully factored 31 2126449033…95<31> 5×1301×1583×437538109181<12>×471966177173<12>
18 Fully factored 33 6759528731…29<33> 7375349×1752473839<10>×5229766502…39<17>
19 Fully factored 35 2370584481…59<35> 11×9473×49529×388133×1183409594…29<20>
20 Fully factored 37 3810571019…41<37> 13×22409×3976853×3289157675…41<25>
21 Fully factored 38 6443230413…81<38> 3×2699×7129×1756566571<10>×6354571852…47<21>
22 Fully factored 41 5185186826…11<41> 3×103×197×877×1409×30792233×7494420991<10>×2987100586…33<13>
23 Fully factored 45 1259309630…97<45> 13×3449×2645141×1061810830…41<34>
24 Fully factored 46 6545247179…53<46> 23×2845759643…11<45>
25 Fully factored 47 1178519526…43<47> 11×29×8713×4240122321…69<40>
26 Composite 49 1092672247…21<49> 3×23×41×149×1656093839<10>×1565257362…59<34>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (34 digits) of term #26:
1565257362291658784482405290522359
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 '7201' --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":"7201"},"type":32,"part":"last20","fr":0}}'