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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 #1100000009065701513 1,526 digits created 2026-08-10

Value

10449943172819961320679251956423248930789233768287839009796202256338689335401959012303591839321466161134048183174035896092110426698725604517369417079538460360350368324520775262345306145741526697260523427266605918991248636853580831662559495827903245469581755331770810122100828453540782293741004246937445122103451308172876134545772325703924055927530436527059453312997906992752229944768620949326443041457489599197399374473284799658688927429213237388852821857871597113600093066048316095083041171778435168788459572161813144380403380848922064532263689283287589485867004677267450201411773950596557617549870415845799344754760818138882246833439230140399784917625008683030209811921410811532967078872194003080817930847459167929959650201127707559667235523670547469350959413468569896106015797043519971278341262836328983497268231973186109667550012874483873431413677066309632446264205579709397946679927679278011557890200453198363667600028746426499278489435896338290725553780471578107216261516535901893149263457141695063770620253203430793646420684812197236195744869577182382661798526047484221499946310204530460458611748199390863097763926943204030304911945714660634641323027558826582869580654437494581171311647770850102126254600792347530919718966363633296839372545325623271932555301586972640255669268001782588326172282486601308299586239273618713414035199923670719894448850901077784221403149671366637679907648833145933969186633175089347941465106350570591126525500666633476192050989875146055571967224917919001711222676803056127503856416891635023
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 1,739-digit prime (115 intermediate primes).

Certified number1,739-digit prime
Certificatedownload
Certificate chainshow step 16 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065701513 --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":1100000009065701513},"decimal":true,"detail":2}}'