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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 #1100000009123068446 2,253 digits created 2026-08-30

Value

615949916462912679622289404746802345743429137704282136727632765774793659297761728403253475995097940797468592517846014423475241847720596081271205549253678408783887543692791717926391740244480270415721762444486733180276908397835895796209074097918014208780695005573518412594728815039296610335162859038591491840111356032492626461355923675271534866562135452680341210296317720517840264456412423071223738449985886816684011255605610629428165127872772691091558554211459749228023688066235504158618398121188727417543618667173435437503313438888615041421322095311219468683413864374996693151533300069684946332523358536404283761824339226089489052580179896678299852503828369703102590915493572260682939030057755986351666459758094812862269148309536776945501361912697780999908884950733093922106018743026597466150699531799569198300096508893973734711692742309132151402672829030937411499843342424714699481761125763400585510839090211874721129880833549173547101210465176291948382964413965991088601391727548011942994090281227699134022571388229756172088378169863368388711684174000790299126507931103167236810549650830842287004288283342737163945299556358254245933898687103909549432115265903206500935245122134685377622086763156174902614118401802179936354592827316944508997287112367372389755971632255825345068878603994553076956732195195811117069728436411401918880157482036494825805840810356836982565219479473412128071173843665783218360488486983247896237948571936380546414832825873422714844165402876118605218652601020142184957085623749251520967876581915455602150402699677889782528031725253411142687425264805317726557914048590333748904001729294727465444063009299222708470295391636704482624755138354224375554295581211231084191080158041055264165291554396170761506412897223889888121027703708248961673708126242981272973610976541815829586959253447753919067521368476762200184672447863938830828467651799398947058413623543597399807138596468225361177602706049458238823401354807836657572562930052154181709326706131637857349135491132824698250511530384282033408448824911891838217513099221022705430404516206888267460112840871268894418030634793333438781117348766958716440327895962189722932967866477293928125741440382677584502211727927512347755885348310629759906542189036151652349776943110241157767483
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 3,057-digit prime (308 intermediate primes).

Certified number3,057-digit prime
Certificatedownload
Certificate chainshow step 83 of 308

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123068446 --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":1100000009123068446},"decimal":true,"detail":2}}'