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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 #1100000009042340544 1,093 digits created 2026-08-03

Value

5871787895100610960759616105241443087764671610162895861582165649587872652452386068834909309052313398255309719382620750723138441901163112951126875567196497503611790586472452089426460664053031435150634704817722386492471148791215169222058481319848021007056629166266098237136578671001618166142354567755811136089180352370592674753562461367835521061855929478274933931927193946431028993024846443182967159877477071120099500856301837279798093280409003898854395572761783865036064671371696836290071721109168338258044490359112861649710922172850904711268462383551086142174015646838721689294391640163215195724221994497363641254574357635982479107337595215306882427462831291789113244525673840634642364851943633771300868814495899960314400786339288043131272521751080509986525964253320878408427977370825060880030790554978840362402989378411026441435477067144829894056077172879103858264867775636931317336593867804523908311277519981568849042324595616048573634068480073085396700657385740793381277887532857091909953220720857382221209170336824983935877853722425552843571361564853197885517960754099396488741029148325259
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,318-digit prime (114 intermediate primes).

Certified number1,318-digit prime
Certificatedownload
Certificate chainshow step 23 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042340544 --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":1100000009042340544},"decimal":true,"detail":2}}'