factordbrpc · fdb
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Home prime · Base 19 of 706 length 24 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
4 Fully factored 7 5397018 2×3×11×81773
5 Fully factored 9 103035363 3×797×43093
6 Fully factored 10 2785524147<10> 34×7×101×127×383
7 Fully factored 15 3688894973…68<15> 23×32×431×19457×610957
8 Fully factored 21 6089760325…11<21> 59×3343×3087534451…03<16>
9 Fully factored 23 1715862961…19<23> 11×17×1237139×1595381×46489843
10 Fully factored 23 6533187418…51<23> 3×751×23027779×1259249747…73<13>
11 Fully factored 25 6152019653…20<25> 25×5×7×67×1550567×5287304859…19<14>
12 Fully factored 32 1034183931…23<32> 3×883×64151×6085726025…77<23>
13 Fully factored 33 2912184597…28<33> 24×7×57649×4510338113…31<26>
14 Fully factored 38 2560789820…35<38> 33×5×1896881348…41<36>
15 Fully factored 41 1386776828…43<41> 3×940376364211<12>×4915680151…71<28>
16 Fully factored 42 2623562360…25<42> 52×31×647×8693×194483×67488593×4585679622…79<19>
17 Fully factored 49 1085184415…20<49> 22×33×5×23×280327×2769511×850855441753<12>×1322690236…01<21>
18 Fully factored 57 3892877974…27<57> 947×639487×689081×2007037758…33<14>×4647969538…91<29>
19 Fully factored 60 1744322748…99<60> 3×3892657×1191468621…89<14>×1253651553…21<40>
20 Fully factored 62 7397926047…12<62> 22×93938472671<11>×1968822208…93<51>
21 Fully factored 65 1837112310…24<65> 22×23×59×1087×6140299677…69<18>×5070803214…11<40>
22 Fully factored 70 2380657701…25<70> 3×52×7×11×79×5218165819…37<64>
23 Composite 73 1336059606…43<73> 1336059606…43<73>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (73 digits) of term #23:
1336059606149089699662971066753229803968399858859442552608461983303400243
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 '706' --type 36 --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":"706"},"type":36,"part":"last20","fr":0}}'