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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 #1100000008549031166 1,244 digits created 2025-11-28

Value

16681326891467024923214498175652741704290135892986923558092535502210172688078094842932779355273129641810360241833068790812473696304852097149884982422958847395870422321107001262495896008569835225090475790425474307382174183585071352115718639952145688936190179090478676329849110391612772874302063442555564841672050451649020636662383291162901778771083198701007620065601290601596700256149124972716840849112768982611074694786768757011988544996552405879645661886499940782900220139917104417852300598130263813332105343980611483231942977217118708250158904950630345071241488115219683265345411188155025992946867331408852746646912577370160149145093197204120617601402861323024563581593744526937107192078705638353874483128259188281420272680710164812557318476509645121169861346151524250952852372961292671016296185140693251258356514965418045651185772719806156861141448125540727982205671806970640989472371105180477014700950387196070899983764173461146346385647435388488837099988813923322502940243760481311648291485209621980035678794621432097669213251989068939464285452670428765935186139109120841260014690193860417363684668115871322559609242863942908772825367299960424590274175034050379189708901590513758907798812327252787549082225176742831072911419231111677049149
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 2,044-digit prime (211 intermediate primes).

Certified number2,044-digit prime
Certificatedownload
Certificate chainshow step 76 of 211

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008549031166 --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":1100000008549031166},"decimal":true,"detail":2}}'