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 #1100000009019236439 901 digits created 2026-07-29

Value

4272846672541025684920342080376471356359797584921889858224636174186055833194943901182160865558801847247840622925725434580023037512810818784833226637187867577653095495939784262755662614634515934785668683159325256928911679580255877797108804244769004416123466800019611999754152822800909672668494279517542674007383106380638563918344905004287038160031439106604812790651710742574682243547210329511232826009024796614291988955256753264725991413138231612807754094976423460421629691434334337994419041780517096545783425349363687667551968747516891410512254630582295407719280972579409228626287406466388748525693399257957090925953309497263211094957985681387836137009586195865338189544766730900193773322887744425334962555595159169851233243162669600699791667452373375368019333579296199224028523269771379217241144747605587860682297996550527093331821354721101091621989133289525092005040621362111760947756467729010481089
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 1,090-digit prime (99 intermediate primes).

Certified number1,090-digit prime
Certificatedownload
Certificate chainshow step 19 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019236439 --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":1100000009019236439},"decimal":true,"detail":2}}'