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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 #1100000009054270029 2,477 digits created 2026-08-07

Value

48800261589996106421396999389739344357203846800581056861382277906646421444903545280450638179135152426284481502695208570082636269422796881879680271038490470970284977984494931845587068917335046354349766544979063021142235293865567300324144267374673766208576473641186713707751421734653271781487233093796660759613009390517007258972778373200628036399495229094929409046940682769633087058274789058951810219209592687017047798016504362141782721022880752558953111002549950862816015351317575633946907099050249783184249647848730869594065355743212736751524805505737167829631137252216854157253963948001761741156979590953656185684145447221714043377305848354565099930170798818078742643013077489130875496357823291829200277127678457873825975904172537663652957715862586618488660365293297663044078890295320310423823051702961336066397798020805953351846890729129516503681104718342447658354981257732490525650157502228607125245360574670565614664702122841353502489090770944207582333856335036651731191768786294852694526767383659765057178352454833096072127135384809631644698460073794651265528494379939384444658993286464540283601721710420085749756001285567958932382711257829410072193266668886291979267414170906490569437429924115091065165227793369846260098472370346604851790138870976378705994307531310280882028403784362987088719271087843578468498493229211583427181156679266896459399218743503534925606167795852700877514982442024772776624957143880606686243203263472359644701945304712231750856786167667434513434501815329319026917964085677334307950628780372057497788095334665013820575516553576421738142299094928761274060358820061828025705430358410489785086371316361975708442522537529951204333058731604458184802642994556381513598373190264025569851376420260614847307033092240837776316739568173976236500796516558444081476548091587754926727008660126574617176920408262223034847230902553242913870882305322676980402019503804054512971230243265764349814561515601483228699770729827751268775438983690984633918345575879089446757739865506555954114555507501557095170996307961267285759495003519860431176144231402823256698132082261997348104816188815498811847553971619952173868220516083035816494921355805408834900838017412515203996379667134936181591979554175339536756069427803699366831528972525973789792604930316059701490948920818046718157155388036548179177446050703983283266826356357059588248818384277026590327405002449817892986111692045829737427301793911742616624745365886885097780764672678466372071929498070770663007825823631
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,580-digit prime (189 intermediate primes).

Certified number2,580-digit prime
Certificatedownload
Certificate chainshow step 9 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054270029 --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":1100000009054270029},"decimal":true,"detail":2}}'