Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 3 | 169 | 132 |
| 1 | Fully factored | 3 | 184 | 23×23 |
| ↳ | Merges Joins the sequence of 138 (at index 1 of that sequence) - the terms below continue there. | |||
| 2 | Fully factored | 4 | 6099 | 3×19×107 |
| 3 | Fully factored | 6 | 119079 | 32×101×131 |
| 4 | Fully factored | 7 | 1710231 | 3×570077 |
| 5 | Fully factored | 8 | 23158685 | 5×11×109×3863 |
| 6 | Fully factored | 9 | 614083623 | 3×47×59×97×761 |
| 7 | Fully factored | 11 | 66969573585<11> | 3×5×101×44204339 |
| 8 | Fully factored | 12 | 981760167091<12> | 11×89250924281<11> |
| 9 | Fully factored | 13 | 3271052129…17<13> | 28687×114025591 |
| 10 | Fully factored | 14 | 4233607467…63<14> | 13×1109×2936538439<10> |
| 11 | Fully factored | 15 | 7599368983…43<15> | 32×172×59×859×5764903 |
| 12 | Fully factored | 18 | 4899014214…47<18> | 168541×2906719560…67<13> |
| 13 | Fully factored | 18 | 6825206699…91<18> | 7283×2914151×32158327 |
| 14 | Fully factored | 19 | 5780931884…83<19> | 3×223×1804267×4789287721<10> |
| 15 | Fully factored | 22 | 1315365525…69<22> | 4367861053<10>×301146375773<12> |
| 16 | Fully factored | 23 | 1768793798…65<23> | 5×293×2203×5480561873…67<16> |
| 17 | Composite | 24 | 4272997269…67<24> | 4272997269…67<24> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(24 digits) of term #17:
427299726949716625620767
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 '169' --type 99 --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":"169"},"type":99,"part":"last20","fr":0}}'