factordbrpc · fdb
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Inverse home prime · Base 31 of 485 length 15 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 3 485 5×97
1 Fully factored 4 3012 22×3×251
2 Fully factored 7 7480488 23×3×311687
3 Fully factored 12 287849581286<12> 2×15971×9011633
4 Fully factored 13 8322432814…96<13> 24×3×173384016977<12>
5 Fully factored 19 4963837203…58<19> 2×11×13×29×107×1091×9439×543149
6 Fully factored 24 4278185029…51<24> 8887×14149×3402347253…77<16>
7 Fully factored 25 3019595711…83<25> 283×1303×3803×195809×10996613821<11>
8 Fully factored 28 8661623454…69<28> 67×9721297603<10>×1329842653…69<17>
9 Fully factored 30 3516053729…49<30> 3×7×1674311299…69<29>
10 Fully factored 32 1609013159…29<32> 3×17×223589×6451573×2187123820…07<18>
11 Fully factored 34 5557148505…89<34> 1489×3732134657…01<31>
12 Fully factored 36 1111840235…80<36> 23×5×19867×1960917851<10>×7134946208…41<20>
13 Fully factored 41 5400754260…70<41> 2×33×5×2000279355…31<39>
14 Composite 46 5726629972…37<46> 7×13×19×967×3425134691…59<40>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (40 digits) of term #14:
3425134691918906917815482639301823447859
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 '485' --type 81 --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":"485"},"type":81,"part":"last20","fr":0}}'