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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 #1100000009044155834 1,067 digits created 2026-08-04

Value

71009326922137608714685306721650912806953950500833086566615234815253131321028423058643372632774364071707838576837488260506348271986773513651207639810064328545988793184531411264516113139477103954610369168859320341139576063635848937578097050606137905024670533844989676045533982109098352362949692299689417380828759358915788465393295107046762014651379346892269264810866608764420173370764832889209301439967455068272664088545741373048501774553373527715476028596213027461622556868379114427941622663953904296117456175984831794356686209984341518036765573698885183403161181898257426764153907968021643317751998605408425200270883662392877204306051109058478212413664269782903209962196903207566166026491547135903471348215043616348294742216035265578870458239861417018852172152029330554735078993525933237704403565329478201457640770564251901316040182988318797900683602620307727501177015836607872508925010470496851286122032471373199273738872552570889177655919030977451499572172803704370269327278965183166522938811931673160242211839532758965912901877349949613605124358910644402084759077
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,385-digit prime (111 intermediate primes).

Certified number1,385-digit prime
Certificatedownload
Certificate chainshow step 26 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044155834 --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":1100000009044155834},"decimal":true,"detail":2}}'