factordbrpc · fdb
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Conway climb · Base 19 of 976 length 19 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 3 976 24×61
1 Fully factored 5 15223 13×1171
2 Fully factored 5 90338 2×17×2657
3 Fully factored 6 379902 2×3×63317
4 Fully factored 7 5406478 2×7×11×35107
5 Fully factored 9 112893093 32×12543677
6 Fully factored 10 2788250656<10> 25×71×1087×1129
7 Fully factored 12 733640925176<12> 23×31×12253×241429
8 Fully factored 16 4786134273…04<16> 22×277×60659×71211457
9 Fully factored 19 1714441361…81<19> 11×393021983×396563837
10 Fully factored 19 9140384787…05<19> 32×5×5711×9907×3590026397<10>
11 Fully factored 23 1710658944…29<23> 3×7×839×9709171601…91<18>
12 Fully factored 25 6676888355…76<25> 23×37003×388573×5804630392…63<14>
13 Fully factored 28 1551862154…34<28> 2×29534707×2627183934…31<20>
14 Fully factored 29 3565899349…20<29> 24×5×7×11939×5333509850…53<22>
15 Fully factored 32 1090175917…90<32> 2×33×5×17×3467×10607×16651×3878798038…49<16>
16 Fully factored 37 1383481710…98<37> 2×23×59×210299×2423965148…93<28>
17 Fully factored 40 9038702676…88<40> 26×3×107×170189×2585172978…93<31>
18 Composite 43 3675167080…56<43> 23×4593958850…07<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 #18:
459395885071344950006523557713121926384007
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 '976' --type 104 --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":"976"},"type":104,"part":"last20","fr":0}}'