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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 #1100000009053653750 2,026 digits created 2026-08-07

Value

5499324999464465828944284646220484115271988849169412094475125107510300760099199358450579555440311575550624113391481395321308517910164736120581669754347880395933034164544371600264706397697279522093333851813316177543404626298357596872690551331809540868510939531635626168991083011561989635392923169824135784737348441603466965100075923063511684160466644291252599132924516618971495517090303502583049318649825705052086170649700138390268865137115179791888577342879954457629284720794538891759950491425981391418013556403049663924768527812722451617888244023941710044646944135387593099191160651624951414870820112742843157642013616944682506913799297412114070718827055920414795790028619777968343402235182479413104675728587482435285695033636213442016325272002864128027628192267059122247013915498852150092513151592134396711920047375414092542753445757180772059036927015759449322180678755582964098616557878461929370992621780505683209595148439586594009222109585432016068274749219957126768958258962798415694295139501170510693081438083114368344802592974530198189780158545199589080576277427193255914307145106699678924489540112588232803316274447910182580231327047926936132028972296727779977295562947933734371922916289806633054583827033013523543864950112884514798249661426546043473580023681354569335385254434063290344057503987824751525191244873937581217019568307908841701577887870394340321989071469821637777755447305532638983671400139102362688645983187181520659473696422542885926706844260398519011304804220006880944935391031367531909431989143704473370740618929563347339411930810479344653239075715458281911382084354761220158336006448379789750824397874007289786025319203126715039723109047943135151409984412205956315068984783929204537876098652027720434957237375464901376670326945189910675902121982824240228025769323093384752969646102006848397426526596302287152890531928771674135895052823335858159788669829933746873486708445429868242037775717530400022102927481900211686782325765062112664708325584844770598832810756410149326185655172784521730322165426839
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 2,205-digit prime (169 intermediate primes).

Certified number2,205-digit prime
Certificatedownload
Certificate chainshow step 15 of 169

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053653750 --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":1100000009053653750},"decimal":true,"detail":2}}'