factordbrpc · fdb
Sign in
Show
Open
Conway climb · Base 5 of 304 length 30 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
10 Fully factored 11 16158555846<11> 2×32×2383×376709
11 Fully factored 11 82718345459<11> 17×47×103527341
12 Fully factored 12 530376964841<12> 487×7127×152809
13 Fully factored 13 2975196246…59<13> 8713×341466343
14 Fully factored 14 1063632779…68<14> 22×3×886360649539<12>
15 Fully factored 15 2412122883…14<15> 2×1206061441…57<15>
16 Fully factored 16 1074280460…07<16> 33×4937×10039×802787
17 Fully factored 16 8733753739…37<16> 1645909×5306340593<10>
18 Fully factored 17 1004583660…18<17> 2×3×1361×12703×96843491
19 Fully factored 18 1601669808…16<18> 22×17×19×191×317×2953×693353
20 Fully factored 20 1894070247…78<20> 2×6662003×1421547128…63<13>
21 Fully factored 20 9991933201…88<20> 22×32×17957×9023561×17129129
22 Fully factored 23 1181773325…04<23> 22×32×4688653×7001379033…13<14>
23 Fully factored 24 2956764010…63<24> 19777×1495051833…19<20>
24 Fully factored 24 7367656128…44<24> 23×32×7×73×965561227×20739397391<11>
25 Fully factored 26 3984938528…16<26> 26×637717×83218097×11732643581<11>
26 Fully factored 27 8196586172…31<27> 13241×6190307508…91<23>
27 Fully factored 28 1541517179…16<28> 23×3×11×47×167×6571×297368927×380717693
28 Fully factored 31 3112978707…68<31> 22×7782446768…17<30>
29 Composite 32 1442066520…17<32> 3631×3971540953…07<28>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (28 digits) of term #29:
3971540953864090676560277107
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 '304' --type 90 --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":"304"},"type":90,"part":"last20","fr":0}}'