factordbrpc · fdb
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Inverse home prime · Base 28 of 4565 length 18 Not fully computed yet - the last known term is composite. ↓ .elf file
Show sequence-development graph
Term size (digits) across the sequence
How the sequence develops - decimal digits of each term vs iteration.
nStatus DigitsTermFactorization
0 Fully factored 4 4565 5×11×83
1 Fully factored 5 65385 32×5×1453
2 Fully factored 8 31900263 3×47×233×971
3 Fully factored 11 16716383463<11> 3×13×23×821×22699
4 Fully factored 14 1093844605…87<14> 3×57859×63017831
5 Fully factored 16 1084560063…63<16> 3×112×367069×8139529
6 Fully factored 18 1098260909…71<18> 3×47×7789084466…31<15>
7 Fully factored 20 1709859822…31<20> 1636333×1044933899…07<14>
8 Fully factored 21 1798369694…09<21> 151×2423×4915283975…33<15>
9 Fully factored 22 8459384604…27<22> 17×1217×4987×8198981429…89<14>
10 Fully factored 25 1106282702…33<25> 32×15109986301<11>×8135037178…37<13>
11 Fully factored 28 2409571709…59<28> 37×1483×2431031503<10>×1806368676…43<14>
12 Fully factored 31 4194718000…01<31> 499×8406248498…99<28>
13 Fully factored 31 6590498822…15<31> 32×5×337×359×1637×2856666227<10>×258864945431<12>
14 Fully factored 37 1034569751…63<37> 15689951×61860829×12990748517<11>×82051831241<11>
15 Fully factored 37 9181905998…71<37> 43×26947×21978382103<11>×3605439769…17<21>
16 Fully factored 41 6564031910…51<41> 3×13×1627×22277×45761288791<11>×1014760541…81<22>
17 Composite 46 4055553216…27<46> 139×2917664184…93<44>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (44 digits) of term #17:
29176641842983890982745791525714881852901693
Check for factors - let the server run a small P-1 / P+1 / ECM step on the composite:
level 0 done · takes up to a minute
From the command linefdb · curl
fdb
fdb seq view '4565' --type 78 --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":"4565"},"type":78,"part":"last20","fr":0}}'