factordbrpc · fdb
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Home prime · Base 13 of 2793 length 20 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 2793 3×72×19
1 Fully factored 6 102264 23×3×4261
2 Fully factored 9 135983182 2×67991591
3 Fully factored 10 1699453033<10> 293×1367×4243
4 Fully factored 11 18424362611<11> 227×81164593
5 Fully factored 12 185252038260<12> 22×3×5×61×50615311
6 Fully factored 14 5065096728…96<14> 23×171799×36853363
7 Fully factored 16 8537879324…92<16> 22×2134469831…73<16>
8 Fully factored 18 1123810086…65<18> 35×5×24019×3850895429<10>
9 Fully factored 21 3654808573…28<21> 22×39881957×2291016319…51<13>
10 Fully factored 23 4186294136…24<23> 23×7×24481×18857203×1619329703<10>
11 Fully factored 26 9057494265…08<26> 22×2264373566…27<26>
12 Fully factored 28 1191753087…43<28> 32×61×139571×634757×1651757×14834233
13 Fully factored 31 3886114756…89<31> 281×1013836969<10>×1364084197…01<20>
14 Fully factored 33 3352158666…79<33> 1433×2339259362…63<30>
15 Fully factored 34 1709134134…24<34> 22×11×3923×70039×922679×4661729×32867567773<11>
16 Fully factored 38 1277715729…90<38> 2×5×1277715729…99<37>
17 Fully factored 39 1797177590…42<39> 2×3×2006209147…21<14>×1493012823…17<25>
18 Fully factored 40 2234497377…47<40> 7×41203×37517028097<11>×288548483323<12>×715658356097<12>
19 Composite 43 1169049842…15<43> 3×5×1117×3726923×10587133×1768315715…27<25>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (25 digits) of term #19:
1768315715532776870721227
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 '2793' --type 31 --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":"2793"},"type":31,"part":"last20","fr":0}}'