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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 #1100000009053961160 2,105 digits created 2026-08-07

Value

80439104443783535220148630160516541582200957364714969207647027401767513213250766304765818523395630311806108574438099317201521634698431661666523637765551017493673807764668132798619905845105391787313014591281447241009345517268674735150340834925447772855120133265940199827330925724043957570435604238446974731486010090467958249835916568606899449090912150507854238368503364134989478020159159160303888174040073831201490945127512518591984870174923285935567219265697701568203746641309274622911844072224517769961135444201739739528134719977320944313589521140491875203918589097312829577386383379348442393366125659001165396398011329954275958204633532908406657552710492389146597696625271495694319222867471918801796510889621408926895269971231372516048871061941728263646299986993513756919793271131580158060626178917598299861954903638262069367989260853258715260010334018674364485331422667214604136805880149733576559917192705231369182645100668165699026637752515287252545629913298317548136789839586663224638846980392056036502126134765894241579195413832758177148941248810439063305153602213382225088178653737147051610898249304829179410390089791352477782991278232681184063945209243541454689922588368328008283970098964427157947928936087799241037049832234810569182944211280828276135881871929374252718319106091232223995748233454854250723702911959278410535814067493860494182872312596188066988772323279015804640417956871436786251718845822513513744643650801175408476394917260029847816996241056027537851178905877098336266705972777787510086342490368563081739545797737874729637567269585713595248060640677966685221362529713712691069432429445426578310293627520248288316364637792308837046051007647353185668999912176352465005366972920755148366719663132603209244264129620604346828667006400847195791063031606255079406470412787226381448404236975115464689774831903337189218196780921690010557371979527489600438215325668135311322889056021496896851922002058510601463617899925713227775420115341534810752150736240609838826905168308248144479965334655322696544632870417171786883082059940430406228680248947442546268453638855225212607615353375063938747
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 2,306-digit prime (174 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 19 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053961160 --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":1100000009053961160},"decimal":true,"detail":2}}'