factordbrpc · fdb
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Inverse home prime · Base 6 of 8070 length 23 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
3 Fully factored 9 284066936 23×79×449473
4 Fully factored 11 20970629438<11> 2×11×71×83×161753
5 Fully factored 13 1630101448…40<13> 22×5×81505072447<11>
6 Fully factored 14 1760509564…46<14> 2×149×59077502177<11>
7 Fully factored 14 7656444282…88<14> 24×277163×17265211
8 Fully factored 16 6263768081…82<16> 2×7×53×1237×6824362133<10>
9 Fully factored 18 4126430818…72<18> 22×1031607704…93<18>
10 Fully factored 19 3713787736…62<19> 2×1193021×1556463690…61<13>
11 Fully factored 20 1568556790…84<20> 24×9803479942…99<18>
12 Fully factored 22 1270531000…22<22> 2×71×8947401412…41<19>
13 Fully factored 23 1159583222…64<23> 22×1423×1452991×1402084239…87<13>
14 Fully factored 24 6592389567…30<24> 2×5×11×263×296708081×76800678181<11>
15 Fully factored 26 4679924128…48<26> 22×72×11×97×2207×18726241×5414587547<10>
16 Fully factored 30 9236297011…26<30> 2×1100117197…71<13>×4197869570…03<18>
17 Fully factored 31 7105590861…36<31> 22×7×17×29×67×691343×1111288638…39<20>
18 Fully factored 34 6771745555…46<34> 2×29×118212421×9876646863…97<24>
19 Fully factored 35 7739751755…24<35> 23×3328962235…99<17>×2906217916…47<18>
20 Fully factored 37 8262461245…42<37> 2×17×74381×845653×3863459034…91<25>
21 Fully factored 39 3923727321…84<39> 25×7×31×113×173×229×563587×116180802587<12>×192767465939<12>
22 Composite 44 9276544973…26<44> 2×13×17×4273×4911691624…11<38>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (38 digits) of term #22:
49116916244347448744079143855096811311
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 '8070' --type 16 --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":"8070"},"type":16,"part":"last20","fr":0}}'