factordbrpc · fdb
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Inverse home prime · Base 29 of 3287 length 16 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 3287 19×173
1 Fully factored 4 5036 22×1259
2 Fully factored 7 1058879 17×199×313
3 Fully factored 7 7639545 3×5×17×29959
4 Fully factored 9 730684496 24×45667781
5 Fully factored 14 3229995386…81<14> 43×1621×2347×197441
6 Fully factored 17 9876920016…08<17> 23×3×11×41×257×617×5051×11393
7 Fully factored 25 3390142578…07<25> 43×89×887×9987019125…43<18>
8 Fully factored 29 1722748446…26<29> 2×7×31×3969466465…89<26>
9 Fully factored 32 2807528211…85<32> 5×1583×2230121×2270761001<10>×700443897019<12>
10 Fully factored 36 1752836152…81<36> 739×695881×3408489062…59<27>
11 Fully factored 36 2027448783…99<36> 32×229×6687097×20113013×7314036833…19<18>
12 Fully factored 39 2176351873…72<39> 25×7×113×91631×9383399905…51<29>
13 Fully factored 47 3319985603…80<47> 23×5×614963×346733927×2874547859<10>×6107513719<10>×221715925667<12>
14 Fully factored 53 1963092800…54<53> 2×4220143×2205573553<10>×821344839743<12>×1283915934…41<25>
15 Composite 57 1911140177…70<57> 2×5×1639786804…51<13>×1165480885…77<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 #15:
11654808857072025648448347710257749539292277
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 '3287' --type 79 --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":"3287"},"type":79,"part":"last20","fr":0}}'