factordb · sequences

Sequence

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whole sequence last 20 terms last term range to

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Aliquot of 188^76 length 3 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	173	6854827716…16<173>	2¹⁵²×47⁷⁶
1	Fully factored	173	7152863703…15<173>	3²×5×17×61×15907×5699599753<10>×161812358399<12>×5447971411…19<37>×4979768874…77<50>×3851237888…53<57>
2	Composite	173	6190790479…85<173>	3²×5×20773×6622689152…61<167>
↳	Open Open - the last known term is composite and not yet fully factored.

Open end - submit a factor of the remaining composite (167 digits) of term #2:

66226891527060887812149593908897716654655008401968721155983471971372373117540607876578196429565619716647096204276382423425438524012664212876381765711216672203660638561

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 '188^76' --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":"188^76"},"type":1,"part":"last20","fr":0}}'