Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 175 | 52×7 |
| 1 | Fully factored | 4 | 4874 | 2×2437 |
| 2 | Fully factored | 5 | 62019 | 33×2297 |
| 3 | Fully factored | 7 | 2862233 | 11×367×709 |
| 4 | Fully factored | 8 | 10512127 | 23×457049 |
| 5 | Fully factored | 8 | 21698032 | 24×29×101×463 |
| 6 | Fully factored | 10 | 1916403599<10> | 11×307×567487 |
| 7 | Fully factored | 11 | 10046628925<11> | 52×401865157 |
| 8 | Fully factored | 12 | 139739943074<12> | 2×19×43×1483×57667 |
| 9 | Fully factored | 16 | 2142793807…34<16> | 2×3×11×547×1777×33401171 |
| 10 | Fully factored | 20 | 5149203824…51<20> | 173×66255503×158187209 |
| 11 | Fully factored | 21 | 4175200774…82<21> | 2×32×11×827×2549803216…17<16> |
| 12 | Fully factored | 25 | 1527045525…12<25> | 25×3×53×20980639×1430494429…91<14> |
| 13 | Composite | 28 | 1513080765…53<28> | 32×13×1293231423…09<26> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(26 digits) of term #13:
12932314239170035943168909
Check for factors - let the server run a small P-1 / P+1 / ECM step on the composite:
From the command linefdb · curl
fdb
fdb seq view '175' --type 116 --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":"175"},"type":116,"part":"last20","fr":0}}'