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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 #1100000009112553312 1,240 digits created 2026-08-27

Value

6567373839312511099403017341454122569345543489529508887334414987403255893885225084902030339558062361394204954367418547670181084859265356609592042949119644291713583550358200228179758421094238928519400790359429159402015792071857499620406645729678512353059387660674779506738510419178398377065247054882882787228679885591188544505980682311660882451147650816889308015224901662262249096462830816663262617949740480409683721168043391539513005359185817801815197008276237015224717379585365878507625295066823072216418462662029392342238930312173282309045577933948115195679591663119332198888677762842527133259985104496581385494617196754589874589127784236767935646605209140947858731268756323972178960976315053603963697151468608774400606192632636495719932888580699814503638505134313081108985126446290978819858210495132556032782979655139664533720546648356217370196653121650434501740930281317159877837410182623335630379803482496741392408832084463230534100700944923171429173410170106307287711747191794980599728679896627450493175926479860574016917885278261357407577474386627681457943432336564286784959819055314995331740868861227337477702658815433595651394891583175850409826916873276027234841689016156071737738555972829494659657404177474602901167054995717867039
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 128 of the certificate chain of a 3,007-digit prime (215 intermediate primes).

Certified number3,007-digit prime
Certificatedownload
Certificate chainshow step 128 of 215

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009112553312 --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":1100000009112553312},"decimal":true,"detail":2}}'