factordbrpc · fdb
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Home prime · Base 29 of 2271 length 15 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
0 Fully factored 4 2271 3×757
1 Fully factored 4 3280 24×5×41
2 Fully factored 10 1232136526<10> 2×463×1330601
3 Fully factored 11 43997745206<11> 2×613×35887231
4 Fully factored 13 1365155408…26<13> 2×682577704463<12>
5 Fully factored 14 2969686965…01<14> 3×11×3539×254282323
6 Fully factored 16 1423805639…04<16> 23×11×41×10889×36240667
7 Fully factored 21 6164801592…06<21> 2×7×13×41×197×4193702639…29<15>
8 Fully factored 24 5647801153…45<24> 5×1579×7153643005…91<20>
9 Fully factored 26 3675565466…35<26> 3×5×11×13×31×13949581×3962543192…33<14>
10 Fully factored 30 5639096811…69<30> 3×79×2379365743…37<28>
11 Fully factored 32 1588306512…75<32> 52×19×34613×54449159×1774231512…23<17>
12 Fully factored 36 6503435885…64<36> 29×3×839×2289239×27203123×8103633391…03<16>
13 Fully factored 49 3761870948…01<49> 11×73×4684770794…67<46>
14 Composite 51 5839043114…51<51> 1493×10169×3845949939…03<44>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (44 digits) of term #14:
38459499396226214674707730578388894468871603
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 '2271' --type 46 --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":"2271"},"type":46,"part":"last20","fr":0}}'