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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 #1100000009043271974 1,234 digits created 2026-08-03

Value

8026171064954273154031814627910058219694666680209437310250031774254955270432040710485580025986122969496311175614132571131435482271562215532426019185908072470031793369802996150812703957714907723846534121490826938923556008050135336304070973045127878632088768849572025431013205434074379877730351021319923631335098596109276321694265584350260390226591676829492847483857262695989115157090071145528284933843489853883688725456810646250681417395024056576011765837672148564613964588477215014847232510233554768615930002351060950178875818294943028963819109470208877711154868349034134265307235825310936992451408507263480660168111578194174952685729384281412931601157910469659139015468512762577718514041781546619858273258127740159214179990504918736407350301775637233501791461348191883836227925869749903446364812480719862434125252025888704022409283536145974150844607242127863276720125464885539994029912090696725155702382785167758002026850473007783315768612616949791263679427602315005006579044463169981638035232615667061784055326271935878185679930824545150409731007028019555315472467105821393830552331724661154875888877860584066167716096680761720744978570429002728492127493112714022472816232366492444672951435696268076668412229974659165544665870495861
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,354-digit prime (118 intermediate primes).

Certified number1,354-digit prime
Certificatedownload
Certificate chainshow step 13 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043271974 --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":1100000009043271974},"decimal":true,"detail":2}}'