Open
Show sequence-development graph
| n | Status | Digits | Term | Factorization |
|---|---|---|---|---|
| 0 | Fully factored | 5 | 15845 | 5×3169 |
| 1 | Fully factored | 5 | 91049 | 7×13007 |
| 2 | Fully factored | 6 | 136039 | 29×4691 |
| 3 | Fully factored | 6 | 514395 | 32×5×7×23×71 |
| 4 | Fully factored | 9 | 952933611 | 3×7×45377791 |
| 5 | Fully factored | 11 | 26303218751<11> | 941×27952411 |
| 6 | Fully factored | 12 | 290717697627<12> | 32×7×37×43×2900419 |
| 7 | Fully factored | 17 | 1133167186…11<17> | 32×19×23×1033×1481×1883279 |
| 8 | Fully factored | 21 | 2003900136…15<21> | 5×43×101×1009×9145871074…09<13> |
| 9 | Fully factored | 25 | 5741509467…17<25> | 34×7×3508957×2885791701…43<16> |
| 10 | Fully factored | 26 | 9329198014…39<26> | 32×1036577557…71<26> |
| 11 | Fully factored | 28 | 2368726591…51<28> | 31×341749169×402255589×555832181 |
| 12 | Fully factored | 32 | 1608413423…45<32> | 5×7×283×1091×1488395878…39<25> |
| 13 | Composite | 35 | 4813189234…75<35> | 53×59×71×239×13159×2922750714…19<23> |
| ↳ | Open Open - the last known term is composite and not yet fully factored. | |||
Open end - submit a factor of the remaining composite
(23 digits) of term #13:
29227507149818468409319
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 '15845' --type 111 --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":"15845"},"type":111,"part":"last20","fr":0}}'