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 #1100000008676711255 1,367 digits created 2026-03-10

Value

13553677446261589563505057356608392207671025310753987746477854001307301142970783805770721264622394673211858277059038128177982427604371872884225445328826089696703478515442544849406980061930746051838230174941860113268932137340038306676353869881207767236666260479705902962213786647473776292626129344651402529196262796032743372201336903078848211848690801980683008507110120208244544467820739186694156921081701871195842370698959689810241330028665398363737801100584953718855729414317918377572191607347292931775888672961366023709220715053842513543483150772715830784536717648486912977569902100716539881120856250872909186356849801751762488172283836788385558481110623682599606139111251988156448494621680325782832861890744893297770035974473150085222689025190421386136476031278181820977068195875809743123256758464909487989942430921397416103363792194095263931607982968431624610327377894594667282740960637110109348724409450042809201391349727281726322057858152026189525277181609606531934560488879666410918004874383947254461865814451935504137719076442012417676973709974941892669638006841208946511017308921982972083963961929600236855192555170190917941154779833192587508407738371526437502066053389656304086934281309452179749812870395412844192088043536505564032802923211628519255802780414666474813440022484446211062504937568268348855239672043981581119389138219696761293177898216768177431
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,588-digit prime (161 intermediate primes).

Certified number1,588-digit prime
Certificatedownload
Certificate chainshow step 20 of 161

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676711255 --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":1100000008676711255},"decimal":true,"detail":2}}'