factordbrpc · fdb
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Inverse home prime · Base 28 of 14501 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 5 14501 17×853
1 Fully factored 5 23901 3×31×257
2 Fully factored 7 5642535 3×5×73×5153
3 Fully factored 10 3167379743<10> 11×19×383×39569
4 Fully factored 11 24321624079<11> 120863×201233
5 Fully factored 12 123689191711<12> 89×163×8526173
6 Fully factored 13 5240663519…69<13> 714673×7332953
7 Fully factored 15 1262028203…77<15> 3×26107×1611353537<10>
8 Fully factored 17 2773198735…15<17> 32×5×1330487×463188581
9 Fully factored 21 1749935715…47<21> 32×103×27277×6920632009…93<13>
10 Fully factored 25 2614628603…99<25> 35×29×3710271893…17<21>
11 Fully factored 31 5006243341…39<31> 3×11×347×4371883103…89<27>
12 Fully factored 33 2687204180…43<33> 3×6332369×1414533371…49<26>
13 Fully factored 34 6816499162…31<34> 3×5107×4449121573…11<30>
14 Fully factored 36 2734679269…15<36> 3×5×8737×2086665346…93<31>
15 Fully factored 38 3591227850…75<38> 52×13×383×14668219×1966905252…71<26>
16 Composite 40 5825909760…49<40> 3×1941969920…83<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 #16:
1941969920212356528477970139366005503883
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 '14501' --type 78 --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":"14501"},"type":78,"part":"last20","fr":0}}'