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 #1100000009043476883 731 digits created 2026-08-03

Value

31376133318884198851208203109734789178723365953185357984973356189403512843434372920050913703120065186675722482736095037298523863131942665094315991419241898938071180845921364781212315413954281108234594570582368444955489874771937400670002551949728292648006340160686670008884215449349011724769715042321982687841564626839764393624724558290259869134383550956087631576928338621390711713924477892825978655863456381466810956718534732933248809196696755059360520370927435511337177434769539947390206638311385230972142163434888926403422385988381535576381245869458746506966035964052377127521634252873015785720057566643886725842450809148554087481571204229355698452715261616665048713345539294034494291766657405943790229357054364919706883214227793
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,364-digit prime (110 intermediate primes).

Certified number1,364-digit prime
Certificatedownload
Certificate chainshow step 55 of 110

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043476883 --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":1100000009043476883},"decimal":true,"detail":2}}'