factordbrpc · fdb
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Inverse home prime · Base 9 of 573 length 25 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
5 Fully factored 9 708110822 2×354055411
6 Fully factored 10 3186498701<10> 532×1134389
7 Fully factored 10 7442730575<10> 52×7×1361×31249
8 Fully factored 12 149463991067<12> 43×3083×1127443
9 Fully factored 12 599169685129<12> 31×233×82953023
10 Fully factored 13 4898293074…31<13> 7×31×59×3529×108413
11 Fully factored 14 4200162590…75<14> 52×1123×1496050789<10>
12 Fully factored 15 7950627274…62<15> 2×53×307×8101×3015911
13 Fully factored 17 9464248717…22<17> 2×6917×6841295877…83<13>
14 Fully factored 19 3635745122…58<19> 2×11×1652611419…39<18>
15 Fully factored 21 1204753724…32<21> 23×23×67×83×1553×75815168381<11>
16 Fully factored 25 1734407871…53<25> 29×73×38431×25219699×845295961
17 Fully factored 26 1409715434…53<26> 179×331769×2585389×91815652127<11>
18 Fully factored 27 1701362570…08<27> 23×149×109986469×1297721079…71<16>
19 Fully factored 30 2671892621…11<30> 17033×49633×3160511158…99<21>
20 Fully factored 31 1102002100…49<31> 11×986801×1015219979…59<24>
21 Fully factored 32 3933170210…43<32> 11×17×107×2281×8617713897…67<24>
22 Fully factored 35 2704329935…07<35> 7×17×37×41×375097×3993774526…97<24>
23 Fully factored 37 1015163899…48<37> 22×7×11261×3219594490…81<31>
24 Composite 39 1385929857…57<39> 47×16979×1736725915…89<33>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (33 digits) of term #24:
173672591508367246575105378960089
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 '573' --type 19 --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":"573"},"type":19,"part":"last20","fr":0}}'