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 #1100000009089824128 1,850 digits created 2026-08-17

Value

15918028122726553584935855616614234824581649653647549419251638892193119035726467411304611202021442831580482168832118755657751300724992388302442432032017299537332908953166472238339458999160149800917367867907188328364584086816673981383885942626114814159776111841358155181282862058238656257771599201092099207299697471885633595196341020859245533335559546384593522215494917701147549683980163418535758560878680145853706384004475521846419183516913522971356917743423488785749209111735877626606917245408047039823363054840050765182341957002006715685073862516322146792293602422100033616023801032713420427113054717275604996223413034032687858428400606766942801475388036871414919646391993523200093896753736122435228990245588077268262932107957659221834220760427628012622776219196258790122473262220687042275928671233484389706308670876975571568975668503768624820741593567222097199280382253862287957340350069419864696283764874133638828409991452141196198152458467319043478375182041995932816963194889864687492518542213893856803402846312844990385783399589170600409452645390857532851315775821986122219846194028834067208266869422907263741816010219801748830128311338026764041068730668980793680091188495667239125053337517337624583869168150623349381608161887149486995110901441566207753535759982681827298349196177003080921984336949033150607051534877279923896568576746130118950083855248360529298790836634047515379042687534486688957802530944346833661710651775835164884343643572800813086999251593341961154384842444769117648904689303331367319818559845621954928282639886940485633821825711242979594538930740618592220662470223941996470817767129689111052399857505736036718796480100064939216673025280999683392260048654020287717504902910856124703204715760776321737096107248507022673054174224728138893328736151953848913933186184412519255507518998908931600001017823484759365318195712620391
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,994-digit prime (160 intermediate primes).

Certified number1,994-digit prime
Certificatedownload
Certificate chainshow step 12 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009089824128 --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":1100000009089824128},"decimal":true,"detail":2}}'