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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 #1100000009057797312 1,546 digits created 2026-08-08

Value

1785510053758265445149025890549788063175304737514804368794815968523493287519708053580369768293067504154076867800900405783903809577796159622688615134003543278643918242125958070345099065723635306893913210612264404531143353014791636854223077978397756267749035964844980427284136391326951844900056893254607722780098852745857885408218301041312634721888176936817433222172236745310390667557221988864554799950240993459431627547295108148415192947945615599746852843180610790179821796334853215771955884189801468547265606299827307423131694033094857620247957138650436869827005262504596694821298181888141611384120834102465644611867684813078154360869492855699428415222662766517476313076046920545560066737704312686606009224674330102997287212411745182468605247288289675503127491926304013497941644420940321117299725177420058733857774156086172375843422795918091431404646349902088929527891991722264616277147321767112791506401432865429658752627524372398491288658291087239909219700416924057129619859463114905923741340828377245761884867715673533855226695486700360848882432752095390339556639972902194207588278847438384261466202277864276673599669997966389430737052117134300984845734234802824325143162233869003070557695646259126825247104201139689804809731133246336851045697602431693517200391625870630398316395940752196042320739409397491670956183253287896489574904783144172680325152463380928663864766639625906586726264213006970622854455137336390516664092765940402012839426786574424099252713691516235875259079137653917635847515784633276849631526867177712264182398125752411359
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,673-digit prime (141 intermediate primes).

Certified number1,673-digit prime
Certificatedownload
Certificate chainshow step 12 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057797312 --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":1100000009057797312},"decimal":true,"detail":2}}'