factordbrpc · fdb
Sign in
Show
Open
Inverse home prime · Base 6 of 1306 length 50 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
30 Fully factored 60 1671358918…26<60> 2×6367×78033840559<11>×1681984137…21<45>
31 Fully factored 60 6149600500…04<60> 22×7×19×3323×27127×62003×107897×8177462052…93<19>×2344026688…89<21>
32 Fully factored 64 8839599193…02<64> 2×5767524473…27<24>×7663252434…63<40>
33 Fully factored 65 6098922913…32<65> 22×11×23×2251×2677300608…11<59>
34 Fully factored 67 9713167786…90<67> 2×5×863×1297×371999×2332750797…41<55>
35 Fully factored 70 1421484419…12<70> 22×11×47×113×367×653×2693×2789×1493663×9433254443<10>×3356822316…21<16>×7145069987…81<20>
36 Fully factored 74 3519190394…90<74> 2×5×7×13×19×835019×9734755618…89<29>×2503954075…91<35>
37 Fully factored 77 2622973362…20<77> 22×5×5279077075…47<17>×3420916624…31<18>×7262119516…23<41>
38 Fully factored 79 1630509788…70<79> 2×5×5783×1855184599…39<19>×1519788268…41<56>
39 Fully factored 80 2015913297…20<80> 22×5×7×17×29137×1917407×8700144613<10>×11007666023<11>×2828726436…41<22>×5596584752…49<24>
40 Fully factored 83 7716460085…58<83> 2×23×1279×10979×1659810940…99<36>×7197278863…97<39>
41 Fully factored 85 5862624825…44<85> 22×1104791×5266169×22498453×8301210383…39<15>×1348848315…77<50>
42 Fully factored 88 1817081399…58<88> 2×313×4126647514…57<15>×6780057625…19<22>×1037455052…51<49>
43 Fully factored 90 1811279869…52<90> 23×137×233×97651×7263440616…89<79>
44 Fully factored 93 1229457857…06<93> 2×7×17×61×100044029×7859277367<10>×1938985108…43<13>×5554674204…33<58>
45 Fully factored 96 1247149767…24<96> 22×23×313×14387×27583×9945770414…93<14>×1097327522…23<69>
46 Fully factored 98 4074588797…86<98> 2×11×73×157×3121683269<10>×1297226705…09<13>×1187036698…81<22>×3361783411…83<50>
47 Fully factored 101 7665707699…20<101> 22×5×7×599×3272221×13992233×2962940119<10>×2078298807…53<22>×3242178177…97<52>
48 Fully factored 106 1596883210…58<106> 2×103×337×863×1321939×2193550588…41<21>×4180359511…49<35>×2198834461…03<37>
49 Composite 108 8552785301…72<108> 22×17×210719×9127213×184945237×642087143×5507057996…27<77>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (77 digits) of term #49:
55070579968632266522194334719543758426382533830621800321689235485379883448727
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 '1306' --type 16 --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":"1306"},"type":16,"part":"last20","fr":0}}'