Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 31111 | 53×587 |
| 1 | Fully factored | 5 | 58304 | 26×911 |
| 2 | Fully factored | 11 | 87900539483<11> | 107×821500369 |
| 3 | Fully factored | 12 | 139008573052<12> | 22×1511×3067×7499 |
| 4 | Fully factored | 16 | 3157932457…41<16> | 1800083×1754326027<10> |
| 5 | Fully factored | 17 | 7671673644…18<17> | 2×1346951×28477924009<11> |
| 6 | Fully factored | 19 | 3393184012…58<19> | 2×132×2063573×4864865917<10> |
| 7 | Fully factored | 22 | 4369958475…58<22> | 2×13×139×1209175007…97<19> |
| 8 | Fully factored | 24 | 1437232486…67<24> | 1987×108883×6643073842…27<15> |
| 9 | Fully factored | 25 | 3609217815…17<25> | 43×49369×1700162005…51<19> |
| 10 | Fully factored | 28 | 2809478289…87<28> | 59×160591×198791207×1491610032…89<13> |
| 11 | Fully factored | 31 | 4203514061…70<31> | 2×5×4203514061…67<30> |
| 12 | Fully factored | 33 | 1669674787…38<33> | 2×132×30047×53161×3092579909…53<21> |
| 13 | Composite | 36 | 2028769000…05<36> | 5×13×3121183077…57<34> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(34 digits) of term #13:
3121183077165396572473795208922457
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 '31111' --type 50 --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":"31111"},"type":50,"part":"last20","fr":0}}'