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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 #1100000004842050173 1,909 digits created 2023-10-24

Value

1521181713537188438167069555818853432233256272051349833350449677524735051529392465773603154983763859395649868897219975311446018318917220042991954685599349371214647759241858061611662194359564354853709041242594371064190057580654127873748211773373080601175672064327995460204997082861628762084861727404134616226384282442457891181578089283264410989597939800426251423094449360369826019679196337213747566346731739474302057575403426972896259441469778163794421277765592683624075242928950843000733143179895895613804875521536731135467898520769619979509844895984921050686553160832599747895419371900013812742651792745627617778841558520525801917935713513931065208841512770020507513513387941612769749852745989744307137593078437542439238314853064407363622147900461209030400833706818094213388072249291732822440667746916837651723675003359349908421554443149515738470505513911433689169080296620877233165778529217017634141251381432495758595617281006609610086180220102319485041762643489241686897650875234431933070807089625373075085484143643165730760373556606377816748530268270773280718796290626837625306382905848411852651496708282298909080165628093576196161074462928377074656350078843658752163828915829163273948337866626620172146878072882958684000991118775762193267583398334330524662502971327224758856727466557449737430146380944493082893574911386636333457084582132939012861356242692333557113147996109156359052192150820805853439182784524526666486480985455207450488299974629020460446658047434234961973570666562394025209020286517890160313457713973101426492591687802479051831059548934125552698069431282397960333776000831989703470779098067488863037673584263903449274486963796172372934627488624520783020217047480743399629782392983362700999337326517169298061634300329354816104073501347141592872533853189809501577362953996765421557288408878052249440287993632274366785150513764898800478666884458979839192543784544145271903907494534237727637
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 165 of the certificate chain of a 3,419-digit prime (408 intermediate primes).

Certified number3,419-digit prime
Certificatedownload
Certificate chainshow step 165 of 408

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004842050173 --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":1100000004842050173},"decimal":true,"detail":2}}'