factordbrpc · fdb
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Home prime · Base 31 of 3095 length 15 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 3095 5×619
1 Fully factored 4 5424 24×3×113
2 Fully factored 10 1834175284<10> 22×458543821
3 Fully factored 11 57258779405<11> 5×11451755881<11>
4 Fully factored 12 149014826436<12> 22×3×7×607×2922547
5 Fully factored 16 1694904460…48<16> 24×7×149×101564265371<12>
6 Fully factored 22 1564354970…95<22> 5×7×37×1207996115…21<19>
7 Fully factored 25 3802277099…50<25> 2×3×52×2534851399…63<23>
8 Fully factored 29 4555489834…88<29> 22×11×1021×1246073×8137915527…69<18>
9 Fully factored 35 4154759901…18<35> 2×112×6833×318811×227851203721<12>×345887223373<12>
10 Fully factored 38 4551486125…92<38> 26×13×43×2647×650563×7387851211…47<24>
11 Fully factored 49 1093565095…85<49> 3×5×167×1217×8637133×4153141465…77<35>
12 Fully factored 53 4992214985…22<53> 2×13×19×41×157×9643×5514251×182153689381<12>×1620862416…03<25>
13 Fully factored 59 3550979911…00<59> 24×3×52×61×71×283×433×701×6427×36405511×94466551×720764651×4992745927…89<16>
14 Composite 72 7954849895…89<72> 11×47×191×11971×428352073×1571002133…89<55>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (55 digits) of term #14:
1571002133934429914354672678113525454644033544360209789
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 '3095' --type 48 --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":"3095"},"type":48,"part":"last20","fr":0}}'