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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 #1100000009063833968 2,373 digits created 2026-08-09

Value

781107367659526473773741448696245401622812062034061939142838797906779966963634797712849378146038768736591045045071948990754626956377994258588779172926337207666065001285499123010309953612454910231034077803342299962471728796515859420714473262183813374502680343271633478491160418140071894697414621278636915272398363303130874991168898076791668189190470948330714440781963180317754750821369818932545026158152642352537296289023054537266419592242875508472359619611750645296403005170265472539133726722526036705178260183500294880213156054966840582082452304787326133655144641692452583369540882327256228116063558475028587310707178800846456570607613661614369890383290135635732169196447786884070330579101625493722931778745630075693994681259221527746907652511919052204951289066422688314646070823294658935753308344939981259701276850115748864806920261357836615598738892963831488907164513722954972360839935249243457399287385015333954470756736559418072476032586748049394747173773592060371204037420525191453795281411704623328379087291069504496938417295300050472091776371956200406538742741809804838639760333921530066566448962375438368825885942452357111944948598949283567771930281548893123525875168552637200455040550725742102834111051713112822697688319240602739961421458567782991052553629014167377985455682235338572169782533196777914752469567105406594490802308449927299251497637259580397075366322016582100992456619239753108288060860200581780334772610326029864686000184661952547325210999359031999256121914329126491449765687851306610796446596442135393635244635871553683114215781824321760343639763588054884400058594753724943373588920300292548424400142705767159419176917094963710910140862093760265049273480398061069093319383166603316422913437532861033645537933765374097241447544869195869012186368510581772569813899302684530585355719659985436438807262584893174083532023285221938715383958914512043216461032583928956865763245157980299922940748908677346264470337093933644993125097751065071126526192129059046226961827946703995315048857983895617672255817422392202301184401754317158190693265839173687412088007043834894454630157431303473226260095780206944105290375928593852945137342229303058025753009232133458528073542235415998692652414550255930414540733687514134561480505248362523886208051931142646507569693636778792199098810607075991070277391911736682990627677941456368261791633500535180031449354776210283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 2,477-digit prime (189 intermediate primes).

Certified number2,477-digit prime
Certificatedownload
Certificate chainshow step 9 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063833968 --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":1100000009063833968},"decimal":true,"detail":2}}'