factordbrpc · fdb
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Home prime · Base 33 of 114 length 18 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 3 114 2×3×19
1 Fully factored 4 2296 23×7×41
2 Fully factored 8 80722166 2×7×5765869
3 Fully factored 10 2862649558<10> 2×14713×97283
4 Fully factored 12 102685438910<12> 2×5×10268543891<11>
5 Fully factored 13 3036177995…58<13> 2×47×1759×18362573
6 Fully factored 16 3129328033…85<16> 5×7×31×79697×36189233
7 Fully factored 18 2648734604…25<18> 52×7×1513562631…91<16>
8 Fully factored 19 8604392722…24<19> 22×4139×5197144674…79<15>
9 Fully factored 22 3749083796…74<22> 2×17×5857×12577×214729×6971131
10 Fully factored 25 4984701889…17<25> 37×1347216726…41<24>
11 Fully factored 26 7332017412…38<26> 2×89×8540737×10827023×4454501171<10>
12 Fully factored 30 1479892959…90<30> 2×5×41×577×94248877×6637345880…31<16>
13 Fully factored 34 5499007267…81<34> 191×2879061396…91<32>
14 Fully factored 35 1481395320…94<35> 2×7×5431×727981193×2676350384…37<21>
15 Fully factored 37 6166542419…66<37> 2×13×101×1901×1235278506…91<31>
16 Fully factored 40 7260815740…76<40> 24×61×151×547×1553×5799624404…11<29>
17 Composite 48 2445265701…35<48> 5×191537×2553308970…31<42>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (42 digits) of term #17:
255330897008242336877992359846641880916331
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 '114' --type 50 --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":"114"},"type":50,"part":"last20","fr":0}}'