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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 #1100000009053481069 1,851 digits created 2026-08-07

Value

143920949923446560462264527656200894002593425199497192008805215703582196586738456012629657162499347798550059665838734603452933232090855796503212947042677814316010827386319580549098226638201182633139876276898350109064485574979594386722874940530101734958202361949869251828224101390308170909131925973900770874457436158557452724152542155590205182826014087696288239505544799924756062273666830295021717495770440279883328355906488650139067786466203783592901650242509627997589913003632281219428815284592778491951501512228186210340715265258141717613098540301513000385488154120569250278801068449851115092878312820407853941512416419923637723222465640037750314842877484762971921127062853204318429304747821527432466677146475179668038975114743772953586249932194850252930072180305813976489645233972547032070937482886581354323628333421714629687075596559218647828044895295489309674507062946614443039028864175722669559913714246518768594850876721519653880180922768900303719138073000523841765874052436519921558045847131642580635803706610060809674050919777346229118327691435752687559341647805546194829598126245906192733116176956387613078263925732961108430412965696051285295892690217185393562373523641360809585906123798823514156433162502454427505585123342249872135058259705115800507156305315310414389297237533360104254383135118385991366345406456265079537943142579656328276870423307032875813229217698766276973342318716096767293361975016396204344161040231307583237356942596482224813275372348381141697405655314985041748007695865168743136328433465544041735600421274364313591332874457885388195075329620936898406253640677508490050726032424489971247354363824332594911223212980946540010518492588001096808585576172030638465051708816869815766340492634089057798039911984420332392274974843836680949372519244363554539243506622488569790285942873863398007420160189275208880368518206906319
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 36 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053481069 --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":1100000009053481069},"decimal":true,"detail":2}}'