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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 #1100000009053335139 1,000 digits created 2026-08-07

Value

9420048971032551547966207037203031140782078990567581576717894019829607704156716911559530939084195073801318127136382005392963361134622638401858443725251467650944392215108039065753524316379783959127996728898941587746346533020291933994340813415533020543020298057923777632601454822322083063068097851885913322983236531672945950014084435930833501718007099122634559729891428041353243461747607655427049839205148458666241188347581166973412766392923112853038289666421353917112454335586376336508938295629344783133798480107404751488943046786287067002471834729053636923725183186912344209627779546446366475941457202728111318740823834152874296659841849471242266252788830330573487664224501803874875992801591808483769888817529581385574215442480361733512162490260638910485502091892623762900218353025556397935208264709243878316332473387257137436646237242895246332278993162871325853966576301031763147453757128821577649913347370121798485112916618133146945605595761434440856259823853592910374878163370203659144039782073423
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 107 of the certificate chain of a 2,400-digit prime (177 intermediate primes).

Certified number2,400-digit prime
Certificatedownload
Certificate chainshow step 107 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053335139 --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":1100000009053335139},"decimal":true,"detail":2}}'