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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 #1100000008810796749 1,565 digits created 2026-05-17

Value

12796666134889109662551614095882855270012762539575496820538486569932670870148801684393156376662957968101562808483367813414476749048727141072721207404162065259541731850015786622934558841101010547020018003647558712028093114853816031458015710821749154764691177485882921034892574790412534393468384193981130559733964827397799788058487095760312799320062929836394238114425131355712714918658525046163139882156492333116379605755697993435416803317693188926936805301021474539454630454718530302336824774845021797329345997275800878424528733103688955854759364579774226741170731846186798789879467331255166941234197207875582104515912149804068089627461972708633570073733059307444659462425064268913926368320349945249366837300353589350681316490096890761055268240204208506341024471037043490745011326098843421807895266228592670189031215056956431318288315452915045349975365114737910183109318789768382754181456469826295901529318866316682638065841407557082075087406035032980245198240947785369886504794890990219090428665748467962684617107679337654925161514299348633386191711264129568600186070208689524434737181746362301093271406445010992686764670202026504962347966084066189757506620577060691899581572427169089465604131280976487464438813636845465963568456203264422758546404643598211445302898052677644693834871491429509462228923173082636234800750194537567818938633652058278519391890131486702878613375084038638350224772813901486067719501779762754377972090284273942118772383839737398895286717184176911827074984176206331755552215152436894272463259232268314211251876532613915623157150826124451127
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,703-digit prime (135 intermediate primes).

Certified number1,703-digit prime
Certificatedownload
Certificate chainshow step 11 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008810796749 --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":1100000008810796749},"decimal":true,"detail":2}}'