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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 #1100000009080761452 1,974 digits created 2026-08-13

Value

700390512667331511600106914791226845649598689515379588486767246397841617560947256897529391550297881320100551822396973794995889196842315612264038377925328931186535860872135249826916753841762704717582226556503455776695020707451433915160925927130423924389860030404024092260227979542519831155894498443738910878024463809737504228552461722672949265105736628051825174945800484214308701391261261965058928119232754977094281055772055362142281118932110747417030494223855717281771554257467871605405848938619098539298238675705127450401099258308641236568067771356601448307483905554982607720930100046565298244885474809204255476251802769825774903015214630810449067983903738259083009911061022788297152165812706017843793694486228746525761364370492398483685009303296702316634867711489338800187247423193819556873407123877680895630948980326070976979831439491396919648642778909536422798693184704247990594640701694910392572444472584447553774654780367351688845003173332015107914810740374392686575289781960796081716742333316882176535204278391323638506913572734021291400009268602004670654525511085677884350140494702553645237360313474129830656359787665213033953343794681960413487176370340146376448949097273319952649288731307176456457971568127974313474510302053737026572586584864992505988134967559719665749446198155646548344586572240686338340968551749709709512129479352737554986110211360452961923270983182362783141432263707281589689498556062794426506328614169736548777658159413987524139964136215241526268255066554199475180501626662880334358978448897034910301421630398242343406760661015997030315508671542948242122056900899885116941807718553439348342314910823925443404722116203384524547416996743089603800939356538902336817824513950306429625927051628267842043635757672113309888457637153230623039006864626273830908365244777289229096169767268911963137145351193503782570077999796648776206126607882792698702976349640741043164634143083823459969737283008237606320375948467803565490258630635597027577538415156439
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 2,184-digit prime (163 intermediate primes).

Certified number2,184-digit prime
Certificatedownload
Certificate chainshow step 15 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080761452 --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":1100000009080761452},"decimal":true,"detail":2}}'