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 #1100000009051207192 651 digits created 2026-08-06

Value

121107770184505960254508209383128058159076630625171770286817203399499426690489856488924958251162344340914228271726951729789872358950023236222433644755151753963845612387124550290793445371821067665693652235306484905902057155283822136665343439572354827448056712581489250906158400605307412436555916775645655461863868520424446185416406119459432389506969168912407567905108488888349856023949415317959155698430309623414018907609108576023273112000331095066276978226423194301292095612226202976663488265417919596362416664933891906790914681862480440393317500523521028185488538614341668895457553117044976807450389825741757051875230463807931754030000824987802753931
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,556-digit prime (132 intermediate primes).

Certified number1,556-digit prime
Certificatedownload
Certificate chainshow step 78 of 132

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051207192 --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":1100000009051207192},"decimal":true,"detail":2}}'