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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 #1100000009055231136 1,153 digits created 2026-08-08

Value

4073751246299586881204320224628363113777186872230659301036859652005685357882303222829843789099552405449313161023070063163873631897313755408516021318592503086637381757329170428040837319147690530128650290234171376475081292798202868779852517839144634783974478687887136755397048166585792984649958986249316180859536406866313141084770100785253237546108553614941597988706597775593686110464449673811159659084140752496328877954186187436029925957975564690195005885157194667460609003940896601106863132005831857597339153774675657047196621039477358849098162209442635723767882148707913504385602033083345544625771128828026684208053962578726689101809602600829625510960535767302952308646165320707451567714348972676275290140047088596222648316184035472655656006089838552077632285124061880901655052083915757553509651897204688083268661144409606897076966663496421698024621315449383148039752549926474997064398614648285614934826262528401376537708250614049405176445550726139695929530489058211041389417059688322287595397557984095245372179004478038075331129150187683894091983245443753264464509159209809176110917537046820056941798739098983288133679359838215032027341687334626690451
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 2,319-digit prime (169 intermediate primes).

Certified number2,319-digit prime
Certificatedownload
Certificate chainshow step 95 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055231136 --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":1100000009055231136},"decimal":true,"detail":2}}'