factordbrpc · fdb
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Home prime · Base 27 of 3505 length 17 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 4 3505 5×701
1 Fully factored 4 4346 2×41×53
2 Fully factored 7 1092824 23×136603
3 Fully factored 9 804738277 7×47×2446013
4 Fully factored 11 73899317063<11> 11×13×516778441
5 Fully factored 13 3243226271…71<13> 17×190778015963<12>
6 Fully factored 13 4992080136…40<13> 22×5×249604006807<12>
7 Fully factored 15 4286952108…84<15> 22×1423×75315391927<11>
8 Fully factored 18 3117093642…78<18> 2×1558546821…39<18>
9 Fully factored 19 8260964988…73<19> 3815377×2165176596…49<13>
10 Fully factored 20 2909453142…48<20> 23×271×2526409×5311882129<10>
11 Fully factored 24 1657010516…73<24> 277×5981987423…49<21>
12 Fully factored 24 8189428184…60<24> 24×5×112×23×3617×108401×9381420187<10>
13 Fully factored 31 2377172929…87<31> 17×1398337017…11<30>
14 Fully factored 32 1959737535…70<32> 2×5×53×37253×301979×23444471×140198577887<12>
15 Fully factored 37 1330815606…62<37> 2×9973×501493×587467×912829×9369593×26479121
16 Composite 41 3001184902…36<41> 22×677×1321×8389600395…77<34>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (34 digits) of term #16:
8389600395749748919939302211079977
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 '3505' --type 44 --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":"3505"},"type":44,"part":"last20","fr":0}}'