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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 #1100000009062571527 1,473 digits created 2026-08-09

Value

266383052089073489206134227281347973104335864648088455716563497521312014463066231333209716005002681039893225798157805823870151086355067916834752482249163998569001764443789981061456005925845509188178597475945072646726498422425862061438549748531994838098803262273037676507920511551591310499781042263929096959300001278797245533492145834948687959966193046597896977706644781842814699013821731975542059682107907505096766731975885435987099846730077337311355812624427806735317003160718472819917894099027670232113143253205883148943737123694681338538242095113453235132411599302223599365303113472030794821877469833011134449172507621197026979221533673730818069112863308321584656180017849709479736890657171539060491584974525165938095877815892043487763263151861972028624778618938669788238945494157676515217402694873191285127209721284007112125424036592363609709268029320009462832551846287735257502693422424795739471593729443239845531324902783886311730747510961241162042175285668840249883676508885865155688113435647739389562618867171519607520653600699496916919233820509833096532199959372608281421913523073586233365414532212205088346009230791593117988904563844891224486722906362944377680692623502035488511409652638075210007529076455613549421913675639016671033254749354923955832542951192216667824570721983431651468858253389251542820528832881601251737320539021425515739756936768013055799558103401858882910718046410816337929828157574293723643373757122336395997857632959203314422935225124350439
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 2,621-digit prime (191 intermediate primes).

Certified number2,621-digit prime
Certificatedownload
Certificate chainshow step 88 of 191

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009062571527 --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":1100000009062571527},"decimal":true,"detail":2}}'