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 #1100000009018967018 678 digits created 2026-07-29

Value

101253925268433357127575783680098073231117775176629832956089876826653442786926705954355629008626646733507616704799717107169474045435082253264658784111989121676165259507482317260240788908944498444236025813143851193656622527990926175435403089434514997989149865486052341030514944386953362185288981842200885898737641362344245333623172539001026564268109021718552300431512226871986662159724941432267036150478299845836787835428915692584183839938444040643193607303838128271748495654222370387581363607913195241073699778838964126193869527244220894073536601585477878151319358601800923371459935482871416775901367409227576218318553860938555636158435298312695005747568752266252399361148715897
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,062-digit prime (73 intermediate primes).

Certified number1,062-digit prime
Certificatedownload
Certificate chainshow step 30 of 73

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018967018 --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":1100000009018967018},"decimal":true,"detail":2}}'