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 #1100000009122751239 1,389 digits created 2026-08-30

Value

422262676969856715967043667501205964169417386647207269478518293014352415183622022262032902216158759038706081120014700402535987688987722591959977342201893711490347751353211119125590377101222739855194876245133912725510664831876967502242836575992260783740164214350820410982810337822173063584709300831515014626554503791393716351161353400208769050963229607694087318553376029833104013096992132385663493928286761113647601980198025427421954911149270632049980553392039847412812363132964510947120584306307245501867895486128347442038931018271050460749889651276850061187361279609239912113053964963806709098026483047893524279722780616613411657571317111272179105922914177354903202333314350354818990588614818627199710499416385224040623889421139463054400180982864255454706531671262506802962119330189309456836843878046520572691957476983907054299794328691516504160553243547424628448911021965588495465202051577062990991986946740654956223396991454572848149977766483128715581743384291088192301533387489125693702856640037829609139554830243278295862330400252779716317016951567111533028685286437540129685638810622260974647618505747394206983662818644437436389078547918050211448776350539857608482023141177989091886851384002659342466296793686374509164717051852487395802880926795676691262208099671855404891003587910450525368056835085727603778885135527642331134316700321322870554725393648064981183712788729404674189009
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 2,256-digit prime (240 intermediate primes).

Certified number2,256-digit prime
Certificatedownload
Certificate chainshow step 82 of 240

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009122751239 --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":1100000009122751239},"decimal":true,"detail":2}}'