factordbrpc · fdb
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Inverse home prime · Base 17 of 7111 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 7111 13×547
1 Fully factored 4 9312 25×3×97
2 Fully factored 10 2345781246<10> 2×3×390963541
3 Fully factored 12 112988463402<12> 2×3×31×1039×584663
4 Fully factored 15 2399099263…30<15> 2×5×7×137×132019×189493
5 Fully factored 18 3820169196…31<18> 889699×429377710469<12>
6 Fully factored 18 6096549478…32<18> 23×13×19×280507×1099900651<10>
7 Fully factored 23 3769568106…48<23> 22×13935232651<11>×676265728937<12>
8 Fully factored 26 2317690893…96<26> 23×7×971×866213×9353291×52608887
9 Fully factored 30 7398432262…79<30> 27515237×80256299×3350327912…33<15>
10 Fully factored 32 5641209320…21<32> 163×9880613008…71<13>×3502682081…77<17>
11 Fully factored 33 3469258800…31<33> 3×43×191×8352709916…99<13>×1685723037…71<16>
12 Fully factored 35 8202929219…11<35> 32×7×1302052257…97<34>
13 Fully factored 37 6396982738…38<37> 2×8183731×224842159×1738265420…61<22>
14 Fully factored 39 2926853534…05<39> 5×29×94858117×2127935639…57<29>
15 Fully factored 41 4289905270…12<41> 25×32×137×1481643031…33<14>×7338225689…19<23>
16 Composite 48 2982424731…81<48> 72×11×53×230203×4535173206…81<38>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (38 digits) of term #16:
45351732066815619745214789381068824881
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 '7111' --type 67 --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":"7111"},"type":67,"part":"last20","fr":0}}'