factordbrpc · fdb
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Inverse home prime · Base 4 of 1396 length 60 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
40 Fully factored 42 7487148971…34<42> 2×3×41179×1529791×349807320173<12>×5662763616…37<19>
41 Fully factored 44 2738344458…34<44> 2×7×21467×3892987927…37<19>×2340483741…39<20>
42 Fully factored 45 4527153961…90<45> 2×5×12301×3680313764…79<40>
43 Fully factored 46 3859088685…90<46> 2×5×293×719×1237564049…21<13>×3629850561…43<13>×4077855364…39<15>
44 Fully factored 48 5293358899…46<48> 2×971×9001×23664007931<11>×1279684917…23<31>
45 Fully factored 49 5901505043…58<49> 2×3×23×163×4571290697<10>×2021649061…03<15>×2838909077…27<21>
46 Fully factored 51 3598744796…02<51> 2×239×3547×122077661×1738704448…27<37>
47 Fully factored 52 1957607176…78<52> 2×3×71×1741×32363×218551×346397×35222519×3058588651…37<23>
48 Fully factored 54 6203554783…66<54> 2×5443053354…89<23>×5698598176…47<31>
49 Fully factored 55 1722295617…26<55> 2×67×2851×3628791461<10>×1242349157…99<40>
50 Fully factored 56 2238017281…54<56> 2×59707×1874166581…61<51>
51 Fully factored 56 4913015243…14<56> 2×1620931385…93<23>×1515491429…99<34>
52 Fully factored 57 1145072948…38<57> 2×6011×9524812416…29<52>
53 Fully factored 57 6242181065…90<57> 2×32×5×7×13×1301×4796711×2403444610…41<22>×5081565088…11<22>
54 Fully factored 60 4322917489…98<60> 2×32×103×1648611500…79<17>×1414323936…03<41>
55 Fully factored 61 4174347469…58<61> 2×33×151×509×1005773311…03<55>
56 Fully factored 62 6749630435…26<62> 2×3×4153×495457×1299350511…83<24>×4207600737…47<29>
57 Fully factored 64 3495537934…14<64> 2×11×1473049×2832435430…09<18>×3808150705…57<39>
58 Fully factored 65 2946413895…34<65> 2×127×29599×977107×4010891133…97<52>
59 Composite 66 2822413720…42<66> 2×1411206860…71<66>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (66 digits) of term #59:
141120686039572680182301493114206062781889207452107708381153148671
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 '1396' --type 14 --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":"1396"},"type":14,"part":"last20","fr":0}}'