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 #1100000009084386920 866 digits created 2026-08-15

Value

14212766624269921812325064204825713660883050937959052539702991658614880029378466913391058013636522857052342794200751252297595161950767830006776055917611984739887859359329066370446264656352838395613317226656293379561695552940276347984097288930103439716219671513226949598858569680674942135834705834034690377419450029457270940925590657576262970976376748807128831330211254903425195643197138579033064230396043435280222297979313967192434499582170913533216154394841271065766808487642982016057535832916580635847475732065565493648860406895788948700378350203856249261550319866415635319337840165158183318187345152641640690479323262252732445863398541961025014785882898783963856148075106670098614352784946837812424873813410039165440393786593567386224957119033311758226931094816469805215112377441703368907141024963426983383237544755460066401226601925791017403053949728573444273191
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 94 of the certificate chain of a 1,956-digit prime (156 intermediate primes).

Certified number1,956-digit prime
Certificatedownload
Certificate chainshow step 94 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084386920 --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":1100000009084386920},"decimal":true,"detail":2}}'