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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 #1100000009054545247 1,237 digits created 2026-08-07

Value

5300869047169479717533473820335138534707014587949658363169650474020125679913674389833513537058852153290280148646216210542169441783072709993563178250956962521783280030690621386226918080251672979647357526669716791167447888676447638025885136008878725445163520975721175872642626351298352138804824005823413682806125028756128880513131112304003105747948292765960446879491492382155973703779044401144484641684677138711037806796497845060957066400078363423575795350119217517197769603534208448961081510916358202976262057029651054580934688125914947997874743812436395139729535227135330609650285044329405106812057386459636706888861911097832304363459651244638632099436698442384600070703042601151052850272597165822791041843078998686824110553208843157023208382929798177437554807256353958450170764017938341239633924806752547073126594559864263325591384483882168123110132708763825327598618975643866195444476677374570205096211478312711278102217128526058646441774674654655225992591361350198498650721292496218107971948594878657653023981643665369969965685192114624871121037148985268109351421300223899472460091260196212979627147269231245807974429106369179354603820843504185420073121778544268397828473659897105205040421691825008849889557746478164170759686946445693
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 2,519-digit prime (183 intermediate primes).

Certified number2,519-digit prime
Certificatedownload
Certificate chainshow step 95 of 183

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054545247 --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":1100000009054545247},"decimal":true,"detail":2}}'