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 #1100000009053398736 642 digits created 2026-08-07

Value

986413501799492138916225738316828030045286702751801124490254848289118044906748153990196020424479492901280558904452569584151166899148623284220612820925324250732739502794995819450880180618301284918049181392402778146529382537756395759141764507338306953053234850318042238662162951621980957705539501480886928711835684539827546356991124507703987721429322727607722490728896314695809949598580678364219625802950092422819185855295706579799581725668058440811556037589475763384676493139076389261293526631202782185641173435261956900881509348509631808019630483630019397897866232681938760994451724978553338798524227218301648457938568952912293249704527349453
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 1,603-digit prime (132 intermediate primes).

Certified number1,603-digit prime
Certificatedownload
Certificate chainshow step 83 of 132

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053398736 --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":1100000009053398736},"decimal":true,"detail":2}}'