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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 #1100000009074502998 1,071 digits created 2026-08-11

Value

219001695707868621391833392562461073034976124893301105405768185065966770464145319939440605627686539764337325759946901511256513872519398918434671555175448748913589325080199867493204190375190031341515190559796802539791733851815034832378885791428977694759316383397741821785203280985625377083616219619524370754396206737663558670601079686096436512168312675245616526165756407249613305453092995717299974515336526379256893637099928332469383447442221130658363573273454908193775004161423581716974149017434775083203346938265452760556999151114441964857369789911852956702952116501890389415037799857542306620390701985923802515452898116052601188922992238314515415789022453379686769997015399172823482688031939423264360024063670330341118190358411998678118789059189916899914770224880091289268972566497106834216413477424166515624846568677253316763883278578625555110202471615383293405648949987424947895778738954276033219405786478245506205085934154881865224900098480415152446706131541538123252703910709881345435794916974957135219929722658506002696783191310997078321433841552016216126226225717
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 2,010-digit prime (163 intermediate primes).

Certified number2,010-digit prime
Certificatedownload
Certificate chainshow step 79 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074502998 --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":1100000009074502998},"decimal":true,"detail":2}}'