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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 #1100000009036773191 1,719 digits created 2026-08-02

Value

143766211660628762291236474327856223345822948448107991702972896917416507687334441280854352981940875814670654879809704663809022513713629765260432350094605353433054964866273230260039676776889918807919913385550257883835490202744819151343164062780547056138589947679779703630801305426987193206490372710755092217322452632636032459380582575153013400020499992225597350010055648639543633923224202856399624781119290760663834493100879955212823920760570216016537921272144040660132638402201019758521770371743294426389517625039023642920623494928603600334946249273489837753686575154960177774066622411165210642878807173806979659446412003942607712305861968000229765435832010019112192249057709295247904922897355040468064315548496225227715234363475034434302982227266945231565146762701000920601320626187881679782505733323078508704832461169154034936811220107747964259088684637972883202172822539960702563097761858445686980478858012504654050315353025746357220956893078054940754485087741774826526064333851937420159386662169182222729788822950972440035924010237991343950352355182259991136678160039269191415932706113622225695973608430750167772864341684378498366224653052734965131949416331225859287698813245184639094146741443218940094534462232810548718595662175084729367615132244701192672045515794229937864232516024334655287434329455679735200906334554581414944408246065969179411020256017213210908915210895587346095552719149815340305229731933613356568690080269315743636263912394919590982424539893332913584565730922107379913470435259494488045851479783142866547034080037117799656696499843988799513142671220365059591671320537289124806690645126624415765314218220075665713526206643445854805702483532853008969791846563202385372658341727393495341924560383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 2,796-digit prime (201 intermediate primes).

Certified number2,796-digit prime
Certificatedownload
Certificate chainshow step 80 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036773191 --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":1100000009036773191},"decimal":true,"detail":2}}'