factordbrpc · fdb
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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 #1100000009079983968 1,125 digits created 2026-08-12

Value

898540222871080966109118184406665026425113057751581732939226036666666931018234058962112580639643239175103209191197259842428210332301887936882279396054275364190396193425786579137824616687640466117913143311675593582730290409754889344483407597040799991789817146693745918177834293932667198506897951715051683973032028701668559696982170004815597178327555132302457140353063072918176992994347117234934884974425933776368874992501931327636708966205816270545727292385839990225785442494659132953593847601814796352597957072706755086104150222241679225013631157261171296743786216119039045683856215087783504928226902846012167069944798618090655984224551701454364125082752716096427932742148932793595599871144909764016906982509586368580213164566259017392360886806617137295796119830145626186810011438501090364206223853306450278625575501060892931267114484634610853400573841571640840446505679772585651471623068539831018057803031393265656539332354683117077346349948467481246384593537150481500643825683867325307683660710357556706609581003780558602957719860152568781404444506215464075366255369584785473053503385831802654766993033798462297041463395913
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 1,912-digit prime (150 intermediate primes).

Certified number1,912-digit prime
Certificatedownload
Certificate chainshow step 61 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079983968 --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":1100000009079983968},"decimal":true,"detail":2}}'