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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 #1100000009057729620 1,238 digits created 2026-08-08

Value

67133586622664624326010166685458957179934888866333398147604649723314040729444223404875090769443203131211493408977367246281073018547864197792809604774181841713864962157752076521914687839176761919053385225266216931648456761533549133730259722420910377573029602377676756314098181591660143575019303705069395095852088266000602604343428004496219311896989299900474323272583630317842307842822289103037731082041886369436349626874252527956346783288116845644501315159374769209605617079098316854988287651774353322473828172835966844961935948558257355538954928298526004192920493201889739152550031383670484565020887787703907348320070208308510062488772475152554397269755178713677524152287653829186043200713691705674063744945939343316529222760617770358836608254042427578574492540963982171342083206533499221398491663613213631286177851982381515349695179077805915047215503656648547083068746889947401969091097585954054283393366683975671169502094328375106489082361827464872987962244972899038622878184214357034432040040392040205356723279761801818893535271514969658215467294013630285335141488068678091743205654650472633643381022958047700722854651272903926855630970017660683970452163243567419573642724155415439375516298282866626740854767739743524358527185586873003
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 1,672-digit prime (139 intermediate primes).

Certified number1,672-digit prime
Certificatedownload
Certificate chainshow step 36 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057729620 --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":1100000009057729620},"decimal":true,"detail":2}}'