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 #1100000009058403436 708 digits created 2026-08-09

Value

881956060813832355296798885110674415935458237172226545858706434101910137258286350901285610890651084307191095443310445331401503879401390283152858865799839832148622316499746808035296036316219966161361650296032742830424823137794839190346746857688992591394102758925413357655685421416840248559490574879314315679691215894168994126474139934169532257432216462293780268346096259081995442139012692884860287487577958540971821550098816278357181211211517477884947978185371148859116530517726612099580712479683846297353947485319870513566894962637627130088211693643541616653104645324632945160529936467645047025245198014556541517476245907007644183668840201623892584843961554365311583805513299635920149472998308599557549566339
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,683-digit prime (129 intermediate primes).

Certified number1,683-digit prime
Certificatedownload
Certificate chainshow step 78 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009058403436 --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":1100000009058403436},"decimal":true,"detail":2}}'