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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 #1100000009052398078 1,086 digits created 2026-08-07

Value

125494964658475592974791731532363680605428305642890644369041357199740200814951722974426449298832775436230852726546979944545547489333717875706615510697509710648508477280544889778866707293769966507248999634952982131477389119136932595281480722216905421270158060800166235368804799603369341274624550899302642442747901705832116776710154407823945561034754160028956067282793792182581371726291456326818080819755067160970375448407592839194800418037801133990416560432049783592608589829092779338940901074357404080713935908628439673988859414621575141006698604378647741562820566826391889134178336353993414085314609599637607874741543007629047413110692932920574528170157382083196936991721613264749095752621561464251194081363464460944743159137837189944297992711218668400144689440597511909589910363597871636793687551177979101620247603886739400230608734362314260905409944399745811954367979041145783002430551400503417618865254386212380424765047492311238643011789306127240501705053790839786772251008621582341055385157352633837355502590507898527209907267013570202132479015639920241384176639080215178717047823
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 1,586-digit prime (120 intermediate primes).

Certified number1,586-digit prime
Certificatedownload
Certificate chainshow step 40 of 120

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052398078 --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":1100000009052398078},"decimal":true,"detail":2}}'