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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 #1100000009084386869 1,101 digits created 2026-08-15

Value

163577863618969418511696632948961265795404656297865163141470692782513761317311295254487854968176829147719630166188899307078897801732776984538946490626211682043143147830964831213414323301680546434780944844398308772128636120989752472836418193988478187903621677255243610825566192543324122377765987880423042110117841526245624987392682894068834366653459776550751715662641832424348797495611056827357257937836309866517373244788179557744349045084448230816532806457674481500262144777828299161511283392587985230907776016480539704151062273921678865802028517090048318734386198630868056599405722923902934679500257976730221163781720591740738518708260500967525745220944680587318049807877050196987007598828068015594841751475865975247844225649817977669514183772492050061792038591137741690450843532638548685049184031142873678711280007366237366329533872219718129386727103699402538568527976669774259502984503331035273855037463321075807647754278104378406269994179407961578014608550827012720829821490382769273718689036009416994076509179301034937588801849508585363897316282016623647543211244623374122882113954063631321281677
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 1,956-digit prime (156 intermediate primes).

Certified number1,956-digit prime
Certificatedownload
Certificate chainshow step 70 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084386869 --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":1100000009084386869},"decimal":true,"detail":2}}'