factordb · sequences

Sequence

Start with

Show

whole sequence last 20 terms last term range to

Open

Aliquot of 167148 length 4,075 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
4055	Fully factored	152	8430697542…28<152>	2⁴×31×107×64845467×11683829341<11>×1973481260…69<28>×2311500686…99<47>×4596277000…07<56>
4056	Fully factored	152	8588280938…72<152>	2⁴×31×2174729×19725076541<11>×3224060389…59<27>×1251980472…57<107>
4057	Fully factored	152	8588288837…28<152>	2⁴×31×197959×2946923267<10>×8406469307…73<45>×3530752333…97<90>
4058	Fully factored	152	8588375611…92<152>	2⁴×31×137310817573<12>×4959454009…33<40>×2542674298…03<99>
4059	Fully factored	152	8588375611…96<152>	2⁴×23×31×139×888793×21906719×2681608961<10>×1141634090…99<19>×3602924736…11<38>×2521919311…31<68>
4060	Fully factored	152	9464158545…04<152>	2⁴×23×31×73×790201×12261901×32514211×72593348353<11>×6453679043…89<24>×7699753867…63<91>
4061	Fully factored	153	1055772202…36<153>	2⁴×31×107×28993794563<11>×2644140111…47<14>×4268071445…77<43>×6079719832…79<81>
4062	Fully factored	153	1075506262…44<153>	2⁴×31×3106073×300729529×598029735263<12>×2503404421…41<49>×1550564158…49<75>
4063	Fully factored	153	1075506961…56<153>	2⁴×17×31×1865659×195405949×4508377128…61<14>×1279874909…23<15>×9511637929…23<23>×3336350441…17<28>×1910723497…31<56>
4064	Fully factored	153	1202038424…44<153>	2⁴×7×17×31×13346180693<11>×2437088123…81<24>×1617352524…11<27>×6054178547…99<36>×6394425966…13<52>
4065	Fully factored	153	1707096586…56<153>	2⁴×7×29×31×5927×143139077989<12>×2226750434…61<24>×8974612194…89<109>
4066	Fully factored	153	2330068986…44<153>	2⁴×11×29×31×359×126349×3246610301…91<140>
4067	Fully factored	153	2943711904…56<153>	2⁴×31×47×157×26893×41771×7298407×149770967×400956964069<12>×1806185905…31<31>×9543127397…01<38>×9477533963…83<42>
4068	Fully factored	153	3107644355…64<153>	2⁴×31×47²×137×1749989149<10>×1183036097…27<136>
4069	Fully factored	153	3289051030…36<153>	2⁴×31×7963×24439×172449301481<12>×1785094102…11<33>×1106894510…43<99>
4070	Fully factored	153	3290146312…84<153>	2⁴×31×89×4133×16361×22037×3661130129…07<47>×1366157092…33<90>
4071	Fully factored	153	3366401067…56<153>	2⁴×7²×31×2332889002…79<31>×5937368765…91<118>
4072	Fully factored	153	4465634069…84<153>	2⁴×31×9003294495…79<150>
4073	Fully factored	153	4465634069…76<153>	2⁴×3×31×1269679605…69<36>×2363665725…83<115>
4074	Composite	153	7442723449…64<153>	2⁴×31×103×137×149×7136843038…81<144>
↳	Open Open - the last known term is composite and not yet fully factored.

Open end - submit a factor of the remaining composite (144 digits) of term #4074:

713684303865314700464108017307634416468889169493490804473696205442528408771093714256584246624196268062548053883839020828497569948703267269869981

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

From the command linefdb · curl

fdb

fdb seq view '167148' --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":"167148"},"type":1,"part":"last20","fr":0}}'