factordb · sequences

Sequence

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whole sequence last 20 terms last term range to

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Aliquot of 150^77 length 4 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.

n	Status	Digits	Term	Factorization
0	Fully factored	168	3622654757…00<168>	2⁷⁷×3⁷⁷×5¹⁵⁴
1	Fully factored	168	9962300582…52<168>	2²×3²×23×73×26494423×2464309966…73<14>×2524391126…27<143>
2	Fully factored	169	1667503698…96<169>	2²×3²×29×4632211308…77<13>×3898183892…89<18>×1877295855…17<20>×5514191342…37<20>×1464391556…47<31>×5835040202…31<66>
3	Composite	169	2692922638…04<169>	2²×3²×557×1342969598…27<165>
↳	Open Open - the last known term is composite and not yet fully factored.

Open end - submit a factor of the remaining composite (165 digits) of term #3:

134296959849346223470342282903034028194588596809509033060262915343373449959869479913059656326441663391180476209581421868307444584329329861408070518195284702726612827

Check for factors - let the server run a small P-1 / P+1 / ECM step on the composite:

Already checked (P-1, P+1 and ECM steps done, level 3).

From the command linefdb · curl

fdb

fdb seq view '150^77' --type 1 --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":"150^77"},"type":1,"part":"last20","fr":0}}'