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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 #1100000009019754657 989 digits created 2026-07-30

Value

67105039467640564365506801072904668562670325480229567408083827836930015193434371202406153762598447364571545143827578034722531520264548438027048634060180160804986144333520919355587041755061702539803818233809873347927276462409717626604953167909751976971937462410691051641747984716647748506203078107164105562947307981914286520042056803501798372579378786333778185644744850496769236881176022686316522868169070566907532781815673364533960670933587863961900010298915966927999239877349655153335566628302464416837949273473846191462797787501454230243161964088452968417604138489519905654354430533667277535708762192005106217357972408776291458703377088802066127527121607771257841666243737863894526257845537390579418158136451372141161161736784247731030230818323655761790715245390488337892571863961493202083575201595939873130182002506580099216529606664711976529464328693174209826544429733929577732948804812839403951314666985307253851048746279637566545344644047349613253176025379485731643093726713622706289
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,118-digit prime (104 intermediate primes).

Certified number1,118-digit prime
Certificatedownload
Certificate chainshow step 15 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019754657 --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":1100000009019754657},"decimal":true,"detail":2}}'