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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 #1100000009050482109 1,108 digits created 2026-08-06

Value

4653488057657159720802316520489046679026354073747878052472241967925983955038841267591625347927101110506924013549727495816836164305340562845824185018645836856645190212518458533497348927628384329889367876975958316200501708314518324137065990679954824880954871054332313195724903683729752478465919383960480005756383970641435229066935293853968999768986592461743067261734559593798074945304508017996899043129368421538626046163784346928958357614165941098284206249798404518799449653236581900178269368745721751874097941326303523479217027241292616494187226383469313357853094870913331116717939810792876122505691378341130455536742947087343689041101972840462921265723175553837735153012806909146179575421221421767358463401453993827312344305611869091991005065503995645204340499946358256419059300788280020156550416029691388427074979299136669972838314132021078544350454394515043544255667598406069645326853080173172933454823850178420847008226209617546638262028293411776343935691337175915911213160347351755063734286747570161597144924000371944819116411252482521928992471778810651722503894056979117633337708739765537295893411519521
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 1,529-digit prime (117 intermediate primes).

Certified number1,529-digit prime
Certificatedownload
Certificate chainshow step 34 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050482109 --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":1100000009050482109},"decimal":true,"detail":2}}'