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 #1100000009091095071 1,649 digits created 2026-08-17

Value

68147240705035433009421518342052349947534460901489684905469504763993420846945507365325600066867412762020915368689866929404047544119168547214678771166194191419101186617072954507412316398724638259925379719866509995820308626227986765272285756617065228277769058512300250378114034190678962610453080345080912119637484523699935054229321477570903982831660755913020467182820750976651948026330639921513602427152938401927006064521254605364618536719472484390241727401164043266461693160011368547533856192292252667285974524768827364241260532327030463552200727294328438765044149871005702773114059342474182903544448415044734165530329747506517354200592321364045173715452112613289108564090222863938412461967930636374902780656273671439375295514869968766491297137049558765460060162559218424248741754773596240852406160164345066992337041815133183298321971706094292894564127659438654245219443000600462261633460848160847368757535333957728669882510745827400725870715479888682831195308892894143627906943437062924821676170583883938603002569741448563312681677330237400671315389746601661225998997496388923157467151500342861562026337951256126989565945681148997954314503922400607011998212731188853068912223859823031678351548959128412259650286081892820684516293243477744975801593690472596291486007492932258930021933561141349539344156708403411272237116825068516552043480257470491733539007440238747861955377911014067272535991753900687573847108488516921072767891629662985674587610211706081575221859407824216115577354981386291736510227493204497063751714642982804809875691365336078823787022658347310444911172346620518534946024808003402616875625974625240917773550953099472372465781145773
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 2,085-digit prime (160 intermediate primes).

Certified number2,085-digit prime
Certificatedownload
Certificate chainshow step 34 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091095071 --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":1100000009091095071},"decimal":true,"detail":2}}'