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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 #1100000009050891802 1,460 digits created 2026-08-06

Value

11522152996631451563314943567820323980955939361651047592447788518737654797655200752433121276677944635436020972931734450979084817558752584348503553997670358296198641612749191652863300044401888721667596560120354672404051120056257739203894070187198779199479597874489610657197877875599148544184157640551275063066933695111472359181426673866128300127852180677347532083763024428363602286619140580953278095810657059416956802571026578808808872908262162998614102293136695551031781642930464862720143429475524157658738996183624614970462046574095841979616494481324577777948868431478640378777923211757758649181688588489647256194990557419372199572086658571431143478394719611827781758825442425648904036813608155615109817634052628562241264398892240789860397884072773658891642909866438211501407042397834247262633491716298134668623688565544984847630371439169107621974814524640779196023599940368673094848132695207782661999341031576873308367599503318552858259200290035828927801091513997745244526529151130872678103032623097721138319495881132657041574882846613107090686315968733194338383221078623940720335609476044985418637274038827015026326801594310706180478473616753957809868476111661470893781191367399173726331510204778344490596850870281449499367436805324299247007020420926129679640584624148565591972347587264612828573873705664249912200121772634127753171660273879464262765688475899836329210353075468058260284814033632876396879500928430937714851963938360881978519772710380686665131
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 8 of the certificate chain of a 1,546-digit prime (125 intermediate primes).

Certified number1,546-digit prime
Certificatedownload
Certificate chainshow step 8 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050891802 --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":1100000009050891802},"decimal":true,"detail":2}}'