factordbrpc · fdb
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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 #1100000009067938210 2,058 digits created 2026-08-10

Value

252567064529784957198102243029082502722584073508862218819377635200181996332009459440824833641978205533422364308982411121129186913215099570731233506160234158134276452961307789598554519037905149541733531318641919539887730401216759386050142192971977092734397048898347589756886168080186822808582067399281275596773906802749986377691772284049842205032754028488929829120862087406276095650699629653815466903408168472330786221667728633029445084459382993170169110593897983860699103462507201921715892929280946682159887057245997384460077086777186957664568379483070766599786347510600306760974493969478195893113105087360624089230974875125889406096726078210447751828371991276372266107471045516549111960511958187349262413169710031587652894273121017585370150913445458968220346543730200665869341441698321085395623488821697463606343612536952197141730833000868763011179051741635175410499505394583446373285821006178562543318415195343790502221118965767339030386528266264152751675798509817749234869458230093716469647374627124113743367548811983691623902171967213475095709118507217448177956526992358172842682757715566560672231449244474157785849725279019618223933459275473181723397962512008574289034890650621477326865168756154327020163001070401349070918413024529233145395187314785688628005515096850806341223602343095468489551664448648107039119172249378263071146151991768103433610175134199915708819812229966329097581589073768793407494264907608018671052709158636496848926905334222571037472032912607790199423912368892419824516215868323653578877039139205119349948822804879113139822351379064310284815686414605883960925910195051437153130950333423017626484820544556103460638844353806263064041404126651142873523336207416451601602441866643409941102597257272421113675539706247735937976785489054250680142341012287484519563825596447843045640676048439037633859213079992376530306145787291247791482417035539087575825805083473105983418077182340135560873540137468055623091306640955257251953045431870346250706657877815465285711259877186808777783691896714017564887546711546117166964821921994837835207171
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 52 of the certificate chain of a 2,638-digit prime (209 intermediate primes).

Certified number2,638-digit prime
Certificatedownload
Certificate chainshow step 52 of 209

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009067938210 --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":1100000009067938210},"decimal":true,"detail":2}}'