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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 #1100000009080395424 1,858 digits created 2026-08-13

Value

2834729934127166162173652798782541823591941921316156516751787891536748505256694280709393484639037088537709136791410608289116425784723927504999855566118053573751931127100386661780308382488000426140382185091541031969221713726387649806639929809404211605502519330152132940129424954873615439525180151847779772323639998918847280853305335706761761632598884221901087117935683573366377925914958751713067486193625708189184124856330967431533595738114281241815307196836003248585901869541380065332526376873013598493731082370120371580613936496068921901351624658765413119662827040604375782171554553745771477713307315464023893733888133501602521110164030764627835447261726034432257518400169706561388481916713551870698658857343599114647360852787738852661421006332430273339121819017649333837733254313679169655784505963190817448188719391749498137632052269669981651678712448781594188617239867541474053826664244958044398134551676157247023002128420939367960614059232416723634777359290391780694528028387050471003142762904379684912740030584650368840486765574705934065350248983809125259611422514399742612272409127344323141501514523178181092391434918323365557560568061465740920767155888916855236974376040706500162937682977083765475977026324692776774838688610518325686351854622808661074551451708724933665626762316086124381053748924828067049504267521208014124830040609832113195404475257925822431452172377970694136089168175386506929982719682273210432785421961893252514010406688473932540725317102923907811557461100179884521159248505668360236322323297904944029788589722463312115149869932864970772710422260940736670019288143073135531928088555733372593570836168101660074545362818422512398093506768640682041339743121292518562783332603528671867468202604346463910356307761128665201695982343201734295268267578382593671416434997193724383228037903722192378881926756540248720041105959325423249102761
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 2,963-digit prime (220 intermediate primes).

Certified number2,963-digit prime
Certificatedownload
Certificate chainshow step 89 of 220

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080395424 --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":1100000009080395424},"decimal":true,"detail":2}}'