factordbrpc · fdb
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Inverse home prime · Base 2 of 452 length 124 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
104 Fully factored 84 9631095027…74<84> 2×32×13×372784117×14999967403<11>×1117300010…01<16>×1643674781…31<24>×4007987887…31<25>
105 Fully factored 86 1288117643…18<86> 2×31×4076123×7067799311…79<15>×4822794841…47<16>×5515547805…47<21>×2711096076…13<26>
106 Fully factored 86 8713126854…42<86> 2×487×1588877×387425354959<12>×2730570200…71<26>×5322104721…61<40>
107 Fully factored 87 4861415477…14<87> 2×83×2928563540…29<85>
108 Fully factored 88 1499424532…82<88> 2×388897913×1927786808…07<79>
109 Fully factored 88 4139890647…90<88> 2×5×10151×4436078505…57<33>×9193498691…97<50>
110 Fully factored 89 3128385495…02<89> 2×1284541×35836247×3397971844…13<75>
111 Fully factored 90 1912888091…98<90> 2×7×11×111926699×280165326011<12>×3961145200…83<68>
112 Fully factored 91 1496478346…10<91> 2×5×7207×1868826148…03<13>×1111084305…91<74>
113 Fully factored 91 6404964945…86<91> 2×1423×3259×31554517×5703297398…77<15>×4435870167…47<21>×8650298999…13<41>
114 Fully factored 92 6472922189…42<92> 2×3×233×4630130321…29<89>
115 Fully factored 93 1896501379…26<93> 2×13×7294236075…51<91>
116 Fully factored 93 4668311088…18<93> 2×163×21023×7532453×9042969542…47<79>
117 Fully factored 94 2545369641…34<94> 2×7×13×2711×953599459×216690791663<12>×2496568589…51<68>
118 Fully factored 95 1545301108…82<95> 2×103×147031×208729×1051991257<10>×2378377796…43<14>×1493899988…51<23>×6539426999…03<37>
119 Fully factored 96 1641945942…74<96> 2×292×89×197×2789×1592078469…43<15>×5770585864…63<15>×2172920011…79<56>
120 Fully factored 97 3785760586…38<97> 2×7×283×1483×7896006485…41<18>×8159997521…33<72>
121 Fully factored 98 3156746141…26<98> 2×3×1490275525…67<14>×2043946823…37<23>×1727238246…99<62>
122 Fully factored 99 1836714746…50<99> 2×52×307×1487×2056200632…11<33>×3913423746…17<59>
123 Composite 100 3409072883…66<100> 2×17×1093×1217×7211×14829442777<11>×7048980366…57<78>
↳ Open Open - the last known term is composite and not yet fully factored.
Open end - submit a factor of the remaining composite (78 digits) of term #123:
704898036626480359829145335861721581910028711359089446885837786396371746561557
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 '452' --type 12 --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":"452"},"type":12,"part":"last20","fr":0}}'