factordbrpc · fdb
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Home prime · Base 3 of 313666 length 35 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
15 Fully factored 17 4217109712…76<17> 23×5271387141…47<16>
16 Fully factored 18 1498069618…45<18> 5×15973×1875752355…93<13>
17 Fully factored 18 2907608241…45<18> 5×61×227×67961×61794587
18 Fully factored 19 2595724032…95<19> 5×5191448064…19<18>
19 Fully factored 19 7273403394…64<19> 25×7×89×193×7673×246363941
20 Fully factored 21 9840367278…33<21> 1109×34715507×25559729291<11>
21 Fully factored 22 1499183964…55<22> 5×13×104138081×221478718067<12>
22 Fully factored 22 5427415133…72<22> 24×3392134458…67<21>
23 Fully factored 23 7912088562…47<23> 881×155103877×579018683731<12>
24 Fully factored 24 2893258060…29<24> 617×15973×2935725978…69<17>
25 Fully factored 24 6084028298…57<24> 13×4680021768…89<23>
26 Fully factored 25 1083763977…82<25> 2×593×10301×144872771×612327647
27 Fully factored 26 1818252462…46<26> 2×73×78511×1157729×1370136725…79<13>
28 Fully factored 27 1690242002…72<27> 23×131×1612826337…39<24>
29 Fully factored 28 1543402656…06<28> 2×7×29×3801484376…01<25>
30 Fully factored 29 1327486368…15<29> 5×47×443×1275141797…43<24>
31 Fully factored 29 7895718049…76<29> 22×11×17×251×152147×2764094703…71<19>
32 Fully factored 31 3216675361…85<31> 5×283×347×3459719×5182349×365387625007<12>
33 Fully factored 33 1665326897…04<33> 23×83×859×1493×1955592871…03<24>
34 Composite 34 7326786624…88<34> 22×7×229613×1139617316…17<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 #34:
1139617316390905432802503417
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 '313666' --type 3 --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":"313666"},"type":3,"part":"last20","fr":0}}'