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 #1100000009084386901 945 digits created 2026-08-15

Value

167296031383340920564937837078299803561722609663911655153669441839841183421843942000064785694298793576034106520465127189130387965581106360833308927443607139654024034207156160132863649113038837916891607367982523193076257228471786926969996227896835375331212199558056723871422244295134542739362816354296508303565613609315407588600133663559975921369620944002414911697182504158131162280751175330951271757545710435672189958385078382672547134882429574804402344719731887969348943111495701601927231647375677826971828775438503633501641504264717916722552647651811824741987794087974265319909145597541436372691309634954421803189452329573459780670193655851378629010507444623100180679380244741343104374308240871072254816598926127951916921594533758209323042368240163703146425410140397326402931630160380514819126088973838783564753570370007710368033483773101936180810471180543909855040853255760011040597493098009568221997558824397870617378713405691666912072841631
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 85 of the certificate chain of a 1,956-digit prime (156 intermediate primes).

Certified number1,956-digit prime
Certificatedownload
Certificate chainshow step 85 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084386901 --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":1100000009084386901},"decimal":true,"detail":2}}'