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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 #1100000009092177811 1,720 digits created 2026-08-18

Value

4012602771624676453545689319572769517586520014664393246992380218706897375024391066282286082204228224024999817857343509041434224912349048810095195487473646022559152201970827068621506970142746063549452211573529322001610295007124949485977324779290977590200927818497426898861072097523687608286886946964236769649465728669281718714406035065387928681960383423367676873732011384808463693566349235329217004049743268586403353088294515364067089692488868152158814963443632216158272895016935945608400928668659401632773466840541899669384350864901501988139458915580418739013104493320310207113434640239577820189646628254040224238056375761876634667945637537714510968053336732631419782006347134147870618438142591671556405981517088571773963205302351088997907340048641797231974881383255383569485934465216617007568528427285050448024277659848581004295138142737881443343731550735973956017530607375538000118814789589673604670788531092263388755798850339432697649510990877544279725894781144898463528817695560732299884271254812137888249146007696956911738381489730315628723966828236876322661767775783206467708662067067235203782519147320825906766850015209692810278499117724268597896521297316809194370146212087564913785622953033320103719138297574625671889088452294183532428350848458661266398084322776523397683843333782494185590370315238230074043573742344510268072251607023215709114464524195023956779556366495959874294183217289731210991112341324816747110235366748006629246829658345276724465762982582313095277807821201048699662496133497654695815557228632393300806011345051577341607394486373980096783167038100076190791161662743133235431477717715767927136195651003859670903207561384814515475619130886069863485615860156309702731003486827795285936729382763
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 2,097-digit prime (164 intermediate primes).

Certified number2,097-digit prime
Certificatedownload
Certificate chainshow step 32 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009092177811 --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":1100000009092177811},"decimal":true,"detail":2}}'