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 #1100000009073531729 1,443 digits created 2026-08-11

Value

663105451760707260581169244892120375950295554858672290484694906558845521497204660759689077779228723835252695365025333006687198530453121404363944328304158849895971148962347937971352040043060291542384566264340391278668212238918126923179619181543401728320376932382766122973810571038304757858718493448733404802157972234607660951004202970844842272756787156879364595066236278098316811111496868630082416996760762943285882977418172333249845868317508369252891287309055186352405301757194591915589376536983586647011817411502204676287686839011163519119197035419175348875618040228386599737042913143856245625336475828364772020241893377660077804041787831101862965843599219028726999505580261415343912285225496328199805108698103888384381484372175281385488910237492941006028762801801172720049917820893234334144363163597200327879321482465608867967636687418479091630105773523683286475301090537181705317978136186102664381722024544767373241013128280323238652372742589789694017393683470370788424223275131964199804502876179500396925538423525633116327916083008975052668968943981953146082789131341327125142922973111897583277782914219600603904647154430674446302906640561998850626796116302624754795640566367956052732852736118085195190391910971344195492083277878573122707802886261749799817979157284544762031301825914809200203919519267897942512251499535463752208427539601764299315825692988518131991169070594299153471382582990641384750990185791867768482050846306698468407067
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,008-digit prime (149 intermediate primes).

Certified number2,008-digit prime
Certificatedownload
Certificate chainshow step 47 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073531729 --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":1100000009073531729},"decimal":true,"detail":2}}'