factordbrpc · fdb
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Inverse home prime · Base 35 of 382 length 16 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
0 Fully factored 3 382 2×191
1 Fully factored 4 6687 32×743
2 Fully factored 6 910283 112×7523
3 Fully factored 7 9216071 37×83×3001
4 Fully factored 10 4503477337<10> 19×3371×70313
5 Fully factored 12 105513563629<12> 281×375493109
6 Fully factored 12 459979058806<12> 2×59×3898127617<10>
7 Fully factored 15 1671322215…42<15> 2×31×599×4500302159<10>
8 Fully factored 16 6753265928…37<16> 43×211×744325573469<12>
9 Fully factored 19 1116953563…43<19> 103×1106629×9799317889<10>
10 Fully factored 20 1801374922…53<20> 33×23×109×191×16183×86098109
11 Fully factored 25 8312699911…58<25> 2×3×47×557×52321×5038643×200746589
12 Fully factored 32 2908498473…82<32> 2×132×2351×6421777×8561867×665695794221<12>
13 Fully factored 37 3375705277…82<37> 2×227×7435474180…83<34>
14 Fully factored 39 3187959554…72<39> 22×46227733×4333124333…57<14>×3978772107…03<17>
15 Composite 42 2017612566…47<42> 2339×76760549×1123749419…77<31>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (31 digits) of term #15:
1123749419211448542562337083277
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 '382' --type 85 --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":"382"},"type":85,"part":"last20","fr":0}}'