factordbrpc · fdb
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Inverse home prime · Base 10 of 2855 length 67 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
47 Fully factored 92 4178498775…33<92> 7×17×29×4150243×2917439066…81<82>
48 Fully factored 94 2917439066…77<94> 307×5793920744…23<25>×9178538827…01<33>×1786970236…57<34>
49 Fully factored 95 1786970236…07<95> 3×7×37×769×1297×3137×8354402457…73<34>×8798326472…87<48>
50 Fully factored 97 8798326472…73<97> 13×19×181×35323817×6204605994…91<19>×6942190095…27<32>×1293439765…31<35>
51 Fully factored 101 1293439765…13<101> 41×109×1561272844…67<17>×1853775116…31<81>
52 Fully factored 103 1853775116…41<103> 3×11×37×181×3096659×8639512526…91<17>×3135307827…89<74>
53 Fully factored 106 3135307827…13<106> 61×56527×17820775631<11>×5102321405…09<89>
54 Fully factored 107 5102321405…61<107> 33×29×1283×2789×85469×8844074283…13<14>×6469189871…91<23>×3724088364…83<56>
55 Fully factored 111 3724088364…33<111> 101×577×5755671301<10>×9540433207<10>×24086581627<11>×4831517331…61<76>
56 Fully factored 113 4831517331…01<113> 257×1090253570…43<13>×3193517769…87<13>×5399500225…73<86>
57 Fully factored 115 5399500225…57<115> 7×53×79×3271×1644209476…27<18>×3425428223…69<90>
58 Fully factored 117 3425428223…37<117> 32×149×1454831189…07<41>×1755793718…51<74>
59 Fully factored 120 1755793718…33<120> 13×5640414600…21<14>×2365750371…93<30>×1012162385…97<76>
60 Fully factored 122 1012162385…13<122> 13×3429364134…59<15>×1398455901…37<21>×6597824504…49<21>×2460615209…03<65>
61 Fully factored 124 2460615209…13<124> 32×3313×140593×5088133539…11<23>×4345602340…89<25>×4307059056…99<30>×6163490782…13<37>
62 Fully factored 127 6163490782…33<127> 73×972×349×6907741×5780005314…19<24>×1001177616…59<33>×6432200604…21<56>
63 Fully factored 129 6432200604…73<129> 11×15975581933<11>×7479008202…63<18>×7405241911…87<25>×6608866033…91<75>
64 Fully factored 131 6608866033…11<131> 199×3929375223…51<20>×1395420743…13<37>×6056827359…03<73>
65 Fully factored 133 6056827359…99<133> 35×17×67×149×13749299×1521657756…17<17>×7019907478…61<102>
66 Composite 139 7019907478…33<139> 3×107×2186887065…73<137>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (137 digits) of term #66:
21868870650466841732918329340186749595437450014677389860482238427479689592039054274412682607258939833680752827901939351133175386759101973
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 '2855' --type 20 --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":"2855"},"type":20,"part":"last20","fr":0}}'