factordb · sequences

Sequence

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Aliquot of 188^78 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	178	2422770307…04<178>	2¹⁵⁶×47⁷⁸
1	Fully factored	178	2528108147…03<178>	3⁶×7×53×79×157×167×173×1307×2415190622…77<17>×2967445569…67<42>×2784807175…33<103>
2	Composite	178	2026453255…37<178>	3⁶×7×17×79×127×787×7541×58889×6661828307…53<157>
↳	Open Open - the last known term is composite and not yet fully factored.

Open end - submit a factor of the remaining composite (157 digits) of term #2:

6661828307865656728642115616705976891542164349153044908531360577416404177282481102393328323143041598094001705548012032636040673395926193265300945737932785353

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 '188^78' --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":"188^78"},"type":1,"part":"last20","fr":0}}'