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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 #1100000009054574202 1,957 digits created 2026-08-07

Value

1016467072252430709104331054086131862418887523934010688842930914679384541425132782215287175527385695364539724218600453250721495096259905346726157184694127797110695412774682987615545074342127320792894570140830391729484711484072459078944943650131422204653848642319989556345589759457995257649825880863073757100145747866401657307661576811315414358856521239752784121508777318091641706561059144231854398692634688539791478894960538185675874124099515729282618436160034731636721518561921134391978915761261382025251329971777286576157117565430166100171959642545573385645780020842586769923104947345385148558080349858280463218533465532343010737244486883796450412126429936382760036161295121759910258582473139203329667847473828739000034660724580351334073090543934695596534173183490053022592473307030417498264059524860874841144525556793973720243123149277256717862139438874484388713455000229173742484970744654481671041163701585944115183854439333703280168103632514124474100022562298727237949857769130820317399805935762690228354877886576414865382423705229252422668111207528163070507241651632733239383428310480576801148999647782622385304649593823510643236005884082966277976403709500383263813431950698822382064856209659583875328541955761498512743131708835089627524212694807489591221896811201350586503568159180182781942693950894930447007065057831902007264127108029502520228135703325855902285460924176952006785462535328419687290442171723834168446013445755518597478695772254006517623982494831640919556941677353449424512377706661407034228243856901621815818698724483652084916120775359945440018360643925578271610048050422155291806143233428940701929913013732090396602073333129672314175777979269965807071756789039962306594513280334586788536449226761413429141934548644411742130926537613601137793756237405505603686932014463082450787934331499230092975264508522596957826327401159089807374005631844036867642986255912320201352638198933838094087139194548015203519929869528258305009748175216757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 2,863-digit prime (220 intermediate primes).

Certified number2,863-digit prime
Certificatedownload
Certificate chainshow step 68 of 220

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054574202 --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":1100000009054574202},"decimal":true,"detail":2}}'