factordbrpc · fdb
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Inverse home prime · Base 30 of 951 length 25 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
5 Fully factored 11 27631988673<11> 3×419×21982489
6 Fully factored 12 593527215573<12> 32×213791×308467
7 Fully factored 15 2248726354…93<15> 3×7495754513…31<14>
8 Fully factored 16 2248726354…33<16> 3×1229×103177×5911267
9 Fully factored 19 3878382362…73<19> 32×4309313735…97<18>
10 Fully factored 21 3878382362…93<21> 3×11×37×53×5993204398…61<16>
11 Fully factored 25 4369046006…33<25> 32×17×929×3073827368…09<20>
12 Fully factored 29 2240820151…93<29> 3×9107742121<10>×8201155023…11<18>
13 Fully factored 30 5380777810…33<30> 3×2348597×7636868324…63<23>
14 Fully factored 32 5567277008…13<32> 32×683×23205953×3902835165…43<21>
15 Fully factored 34 7681950455…93<34> 3×233×1098991481…07<32>
16 Fully factored 36 2967277000…93<36> 34×13×17×944803×1754444095…31<26>
17 Fully factored 42 3107945081…93<42> 3×13×163×2803×1744207007…83<35>
18 Fully factored 45 3814580724…93<45> 3×191×6657208943…41<42>
19 Fully factored 47 1797446414…33<47> 32×49451×7511607741…57<13>×5376571968…91<28>
20 Fully factored 50 7714793115…93<50> 3×41×5281×49331333×2407576826…67<37>
21 Fully factored 55 1279485036…33<55> 32×73×3469×5613911238…01<48>
22 Fully factored 59 1227762387…93<59> 3×61×10831×13037×2391737×2543609×7810039647…21<35>
23 Fully factored 63 9077308138…33<63> 3×61×4657×23887×1955012689…93<18>×2280807122…73<36>
24 Composite 67 2385804808…33<67> 3×570179107×1394769222…73<58>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (58 digits) of term #24:
1394769222168377367823655420037140643047096249303387628473
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 '951' --type 80 --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":"951"},"type":80,"part":"last20","fr":0}}'