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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 #1100000009067938451 1,779 digits created 2026-08-10

Value

149931498723054646276225429756250134234644318364797622434545210409926779373824159997500944827529561171256323955076124143259936185484148515099108567524027360169497838794299228190061707745191563874992327104386982285373222774258539652715704051327008211517404448982824428080567906642271355813843616578782537001717083743538307738056443823635450112809098282216467080861165765070262107435046050586771705034946483365325442284785566980859033446529106989912475344757641390869714412699382987082453940616205724480875220255082002511803367536908662314266455594092275161571352416845162644715013056173378071945118192065838970079908100530795520948606493614491846795279009946905858843810993396953653893218976997504129854589393103359212263115303039401641002736969936835710029783763117095970827118036419500756623686505391007537855792609746971573676142405356451144096123221202768112331731377938124860796403310184429574903578892269518487236673144451836013989621043667544226724122684310811624051670988439544175714077551684589696106832415237997693970163127581680504404353205410399253317647562382208694793892948597540206624502473382558542343998302763530018854948031653944921304992105633171219253801187463765757424297786731435718719875349606894800215867503370036433189654158228559707693330027596080841068383616651396803684447055979008710264385944035768122875758161337416520380939330893219535714863081102658985229437388177506160260288554877464693043550663057352839104544550707666543804953945993785681796845213438539277373089151673139503610856958498273024384484010651593181292145886775474032908304465754526012272679685083598883518336032440147254231586287395217785251596504732297084624037012014597271286624024595137253592295822503155069851982797603699516641172988068247603613402443865299991994968644790036513
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 2,638-digit prime (209 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 75 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067938451 --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":1100000009067938451},"decimal":true,"detail":2}}'