factordbrpc · fdb
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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 #1100000009054491663 854 digits created 2026-08-07

Value

12086728547093326025653818651290176348843707682398694114400577861836587797634309026215595319683842673552978352932084468018445370527674119658596977670496514438332975495200482627301516053759057605037382323585647031108543002539389942160448443245368125369207214743774525349928539988811586812648953088430175223254430479616551817434999828049935674254783827882338717212555286505025577924101059028533812228732515814376031156091208568128261044191294650417790767404685251325201693721759330360332382541212788350789395250648375736195168700814433962802677282020541253670372718630756114952490065750213502822109798442759465746595348938797087240926616310585473908294692682694116305310658129010715332470838742927521006704386010649459064813144568048977187667835758547272734806342061140633367265743791014620126785569108708024575993970101518351094473296614141175889208438713
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 1,627-digit prime (128 intermediate primes).

Certified number1,627-digit prime
Certificatedownload
Certificate chainshow step 61 of 128

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054491663 --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":1100000009054491663},"decimal":true,"detail":2}}'