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 #1100000009061477378 1,616 digits created 2026-08-09

Value

25825770940988379757859984473913885641222471400804920906218358379200508334894272873658504398488807037033359760356643186108848786356853642466662635875097304826790442742129628287402330182777733880712411126983529423328104736475863825743541399520699898325790863236388878693140127200447529880294709010560364801713983448609350694059457328113470972988018461071292410209859781034735250491249038337668991773241607929155620080879928508428899715893057459346446151301306819023564979055963156315295617192089817025570172485196083896398577896390822244210572826760572261077677952800841659819866215074656181263488651464779812609830334841313208027096415412627645419253444749097633894977677404884619325839602776259622178652345218241526803144883913137333717579053267763016027180546016068724315327771064950048174451600996489304130138812849263510754026235012785125880826914677290904374838918854220573967615163256328506578428494887630426930690108359505184034376807509113956082216832241844628093697615730340109252923957175973608968753337106599912791359010567626601664065990239699769002708441689222805225642126491197167833939427731871608614037399872351197227776374745337947504494905042238171979482068565298118895183757489831861525959380838324388058468015329652306530749710809089278312872444570412031559986181607512403330005213626828316563322208724474243627468827560063376178532969176571653054903443492218737888127218228809616950398353177674567901239237807371304758178558101961624902677530850368044083917484103607192928224374593942140278341662811547698212886498537878526819595339295356573350712011298046305747509476634707191819562716789535413
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,686-digit prime (136 intermediate primes).

Certified number1,686-digit prime
Certificatedownload
Certificate chainshow step 7 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061477378 --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":1100000009061477378},"decimal":true,"detail":2}}'