Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 4 | 3718 | 2×11×132 |
| 1 | Fully factored | 5 | 17938 | 2×8969 |
| 2 | Fully factored | 6 | 269611 | 53×5087 |
| 3 | Fully factored | 6 | 368614 | 2×79×2333 |
| 4 | Fully factored | 7 | 5496392 | 23×11×62459 |
| 5 | Fully factored | 9 | 103016049 | 3×34338683 |
| 6 | Fully factored | 9 | 175476326 | 2×87738163 |
| 7 | Fully factored | 10 | 1875481641<10> | 33×11×37×170669 |
| 8 | Fully factored | 13 | 1028938157…21<13> | 145903×7052207 |
| 9 | Fully factored | 13 | 6864142227…50<13> | 2×32×53×3050729879<10> |
| 10 | Fully factored | 16 | 4790030187…78<16> | 2×37×2526197×25623551 |
| 11 | Fully factored | 19 | 1680024870…07<19> | 7×61×523×4957×1517634631<10> |
| 12 | Fully factored | 22 | 2067890311…53<22> | 13999×19496317×7576661891<10> |
| 13 | Fully factored | 23 | 1118562571…67<23> | 13×89×701×1379141750…31<17> |
| 14 | Fully factored | 25 | 1379356332…32<25> | 22×32×23×109×1528338798…41<20> |
| 15 | Fully factored | 30 | 5450194515…12<30> | 23×1549×24709×430602671×4133697658…49<13> |
| 16 | Fully factored | 33 | 2019557260…63<33> | 17×239×4970606106…01<29> |
| 17 | Composite | 34 | 1643971413…85<34> | 5×3287942827…57<33> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(33 digits) of term #17:
328794282768068854972128009186757
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 '3718' --type 104 --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":"3718"},"type":104,"part":"last20","fr":0}}'