factordbrpc · fdb
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Home prime · Base 19 of 57314 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 5 57314 2×28657
1 Fully factored 6 289299 3×73×1321
2 Fully factored 7 7930325 52×132×1877
3 Fully factored 9 249395117 17×14670301
4 Fully factored 9 814450278 2×3×59×2300707
5 Fully factored 11 36797131847<11> 7×5256733121<10>
6 Fully factored 12 124141674408<12> 23×3×5172569767<10>
7 Fully factored 15 2459441489…88<15> 23×7×4391859802…73<13>
8 Fully factored 17 8881288660…58<17> 2×32×4934049255…81<16>
9 Fully factored 20 3289036711…19<20> 13×2530028239…63<19>
10 Fully factored 21 1998846796…50<21> 2×53×563×1420139819…87<16>
11 Fully factored 24 2371759951…07<24> 11×4723×5741×7951930099…59<15>
12 Fully factored 25 1217114023…88<25> 25×269×1413933577…11<21>
13 Fully factored 29 2864780260…02<29> 2×43×189401×8068094381<10>×217991533547<12>
14 Fully factored 32 1038207301…50<32> 2×33×52×69203×1111284836…41<24>
15 Composite 37 1383235722…17<37> 11×1257487020…47<36>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (36 digits) of term #15:
125748702027150439683692266625160047
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 '57314' --type 36 --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":"57314"},"type":36,"part":"last20","fr":0}}'