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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 #1100000004955385379 1,084 digits created 2023-10-26

Value

1211245569020262358544558218481479489904903719865400734237483310298498949810998639488751945016592168113881864299999804653639775392931361583262256664599533306329085667298639083509096924194095969373487700951921592055490876519042852324333621327908325495653894656157095640746884794186053505267687499951367342707639667190524462383678898399405709318809190913019535968665780470388845751967523690716292653545976400313025022809470088612462242967686954700612373154295941002578790046700792692454859960864472286113570948131719968251933646258085607189403613570567338249786520950198600672770873782275542701141014339134177751489912787355213179086069983888989595179459829514432817770076738070310553764919270779497703149919885284374913142379781612129414591639884367841677611312573709210010580562003611292190866568209664683648811297140835669173338030180985972288321561531597148643714456556770329523262653073233016760377021413397278335691634841378190095379584987628554673398842275738549360998474822148124797472171375269774210082799880338731111188007414274590599914082939476758573630009903831529657999919
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,433-digit prime (164 intermediate primes).

Certified number1,433-digit prime
Certificatedownload
Certificate chainshow step 39 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004955385379 --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":1100000004955385379},"decimal":true,"detail":2}}'