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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 #1100000004917632531 1,701 digits created 2023-10-25

Value

251284666870579582931707761950474005663922314017333137282731276494596562330695736004764604953734598502223209776505886301817151540861837170233868228119691179150920917962662540545575878951011206784690842698461911984941088338789042844456086880095557544962120372282125076312483518894052256674909407358998323371498091778827391076670073690327719306724625911394794106444455179746597034481972494869798108385802167017245912298687896681755924169733337729560061538419994333801694972170667879910642436800758726644180750363454403005503019260671252356199667265117384836842968013178992721225515884169107009843258337432236747484049752966880609594791849605970383143912063566247534958634915700949227126574966130201133481955225707628324201412059384317805190151642118428013271747677879514126411981136017207817827425272442104732920991172922061420178616051437513189996148027505751773723709043204053549610276248049235550298354574520688314683866152640038114477809654127211760697365499034734981687728148326550861710969696645610446336938779616042412069075956272493449614290898148164630259798298060281316485807146668644488986262468927232718386046720350865820293187155776488293183215401535011381998093752206328603786960894031029210938001521097456356224648035033922439255777712486714309914915476464763202910771588587529012561542769609757887043821628480382396471025167481704955199341873104148953827696313173471387179581230494364514754144306250293544216652129164945341387432068805290251112566369222773693951161259577465102604162228939860819921013596582347045638803249442085005281109951803184410516690264707753942910658853229475933554539875300092657640031169857270941125562805728991898975338045937834680012230609395917531404571665429
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 1,979-digit prime (221 intermediate primes).

Certified number1,979-digit prime
Certificatedownload
Certificate chainshow step 30 of 221

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004917632531 --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":1100000004917632531},"decimal":true,"detail":2}}'