factordbrpc · fdb
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Conway climb · Base 15 of 970 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 3 970 2×5×97
1 Fully factored 4 7972 22×1993
2 Fully factored 6 109993 13×8461
3 Fully factored 6 666586 2×23×43×337
4 Fully factored 9 359329837 9157×39241
5 Fully factored 9 463612366 2×7×307×107867
6 Fully factored 11 95060189117<11> 1301×3617×20201
7 Fully factored 13 3334503833…51<13> 1747247×1908433
8 Fully factored 14 1990223726…08<14> 25×7×64579×1375823
9 Fully factored 16 4602405713…98<16> 2×191×1204818249…89<14>
10 Fully factored 17 8317945077…14<17> 2×7×37×547×3631×80848639
11 Fully factored 21 2441159794…39<21> 7×73×184721×2586181718…69<13>
12 Fully factored 23 1082633476…44<23> 23×643815331×2101987604…03<13>
13 Fully factored 24 7371253260…03<24> 239×416340961×7407886021…57<13>
14 Fully factored 25 5301843637…57<25> 7×4139×1829925667…09<21>
15 Fully factored 27 5298451124…59<27> 7×1447×5230971591…71<23>
16 Fully factored 28 8337135983…71<28> 11×67×16883×6700385294…01<21>
17 Fully factored 30 1902130105…26<30> 2×83×173×1459×839651×1210777×4465476049<10>
18 Composite 34 2021750484…24<34> 22×7638601×6616887320…81<26>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (26 digits) of term #18:
66168873207627631831480381
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 '970' --type 100 --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":"970"},"type":100,"part":"last20","fr":0}}'