factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000000708875189 1,328 digits created before Nov 2018

Value

19639989373482226804455913197798994149482600500417946910784070789485115673378358910721836523705228342522765259149483926262749352308756271663677642707808553125547759262249260137956458582647262884316682820344082621587352509474821454562914167947934424215081485359851939782157676804786878147196113715900882368515524907760095538901346972087553928260082213417238564249521072107922985770542584871947889959445775752392457881644187302087292744490123200634360706776928674086857077921971938849341729493382618565849243343082356070552232894357269395439001414967941973470614068840020787810668144923643167599119362601203749873141201667081144827745950582679776819547252150554110251650893792505311932361448742918085532906641385515091995513116714089084910674992495135572222620191476574517006462096813525273923080661556341249039970105404856690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756690997566909975669099756691
term (410^509+1)/411
1963998937…91<1328>
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,328 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byRobertS

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000000708875189 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000000708875189},"decimal":true,"detail":2}}'