Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 13402 | 2×6701 |
| 1 | Fully factored | 5 | 46067 | 7×6581 |
| 2 | Fully factored | 6 | 144362 | 2×19×29×131 |
| 3 | Fully factored | 8 | 38816465 | 5×7763293 |
| 4 | Fully factored | 8 | 79507828 | 22×67×241×1231 |
| 5 | Fully factored | 12 | 586745900971<12> | 17×19×1447×1255391 |
| 6 | Fully factored | 15 | 1350220825…38<15> | 2×569×16319×7270579 |
| 7 | Fully factored | 15 | 5727188375…99<15> | 12653×45263481983<11> |
| 8 | Fully factored | 16 | 3573626188…76<16> | 22×29×1237×57529×432907 |
| 9 | Fully factored | 21 | 2271046507…12<21> | 23×163601×1339391×129551579 |
| 10 | Fully factored | 24 | 1693052926…52<24> | 26×71119×3719674345…97<17> |
| 11 | Fully factored | 25 | 4796661202…56<25> | 22×79×83×131×2017×6921443460…51<15> |
| 12 | Fully factored | 31 | 2378505327…91<31> | 41×191×23537×5676887×2273136668…19<16> |
| 13 | Composite | 34 | 1275127918…57<34> | 112×47×1811×1238089601…01<27> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(27 digits) of term #13:
123808960132643114673741701
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 '13402' --type 112 --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":"13402"},"type":112,"part":"last20","fr":0}}'