factordbrpc · fdb
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Inverse home prime · Base 19 of 767 length 14 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 3 767 13×59
1 Fully factored 4 1134 2×34×7
2 Fully factored 8 17745375 3×53×79×599
3 Fully factored 11 28190814276<11> 22×3×29×41×43×45949
4 Fully factored 17 1482721556…41<17> 15439×960374089219<12>
5 Fully factored 18 1251569116…38<18> 2×131×547×873305550617<12>
6 Fully factored 20 4108542901…41<20> 5749×20089×355743684481<12>
7 Fully factored 21 3179892258…59<21> 3×541×13015049×15053867117<11>
8 Fully factored 23 9229625673…28<23> 23×20681×31963×1745319862…97<14>
9 Fully factored 28 2033127626…41<28> 73×13×1057019×4313644746…21<18>
10 Fully factored 30 1391960092…92<30> 24×13×71×9425515250…69<25>
11 Fully factored 34 8425201707…73<34> 37×83×109×941×22881220997<11>×1168974866…91<16>
12 Fully factored 39 1217222553…04<39> 23×109×163×1693×8129036845…03<14>×6222570865…41<16>
13 Composite 43 4444219199…39<43> 32×4938021332…71<42>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (42 digits) of term #13:
493802133296587346517481463272897291761871
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 '767' --type 69 --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":"767"},"type":69,"part":"last20","fr":0}}'