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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 #1100000009123744765 2,358 digits created 2026-08-31

Value

131385282776594268994938587918980178516208787386625849897302752407243667606316492624900582554039012983611256878257357946779820602214040399642197460985241234108043818481687818971515167701128932826631341227799833804762949281410550611928103621669594984544926664814744196907059731993934627427646207524026242274519160369373815014056675289947145808243556021406559833599437183388016058146835661604706409221819626046594053776071630760877329388542304805447426051060497663359271689014740679404831281678672060185775091691409661711600411261357233307387815321182384412457340993084642198589648757773899175359931599859345942649862444716917462873590451447475223029998763988663264814987688115179167071284695946472685002609103515297944697313183652764289211697355634807056682494657017227904617867319078384396168808399359026570900668429607134438979115263749812701684536316332002025105421998549855735374621826968961253701642371858060195627735941584515788961080937978647260383559613241595624280905626171273726785613008488289388205728744509067880503597974358749688298174981713747970830092556193137210002626943830462629430298476399037306022554679070040096416328417271338020753659475055734847113189539412216499779679516046490406123465378668971866402657180747271275958121504035515071410833875968646873497226703853465595754906139991030950050065401502939471438904552986176630400851248766982422784709954053152478383241517671827733791686912963903913685104380648812673572343119313309516299740358488503317519251795909461006790102391856694501766393730634646422611151508231104392292891397771934204733070788217036178890657552920915880019049796453450534714294974049716472062257358598178140447881589507068524087968579731473825507158567294745762207444845042145005455187761119898786014492525837423458988446044979570680264704207081790735463952470006965995195623148955184501166196915508118171506934458591929621104584652051850115477296767681649160686383797276342577315127762422436703715337717952309292295172179126133514772970111397262402231016868913227523157253621509361594664571766189398258195381461552091651372781750010613738048207316242932915251872332959104350090883097652700434502232026791159111145373913100287833607983445032069366965560773261128368391739859004154283703607477465246213670168634588487313966459987868365983810558162817409440782891288157127496583174801765090721395177527182958868707
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 3,068-digit prime (316 intermediate primes).

Certified number3,068-digit prime
Certificatedownload
Certificate chainshow step 71 of 316

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123744765 --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":1100000009123744765},"decimal":true,"detail":2}}'