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 #1100000009056420919 1,179 digits created 2026-08-08

Value

416505884322364334840271226565286161809662768668229021413230485083140002123110895777023984226568787710705537763021679628918042419790829229706556621337997763999738015781439703134203750212428875816246056643523563504814385242571114769751078076316712846802377203887722450709360248519578684048577109126467327662327931947310603824957616706755317600131335376240036688893951184804122459637887224889542590779086194694771354971329245698528271083034140406128320824323688740701378894191518239641431990205343833168971106260825792239306658275866714504322846289848696751539438497950785049776081326109128162499671905789642718478753597267404782064244725193344474254309385268404495919804908988998729453391635353432954781953475544092230853102222753606356784021180353337475274542698617031489764120716751752301503229693893699446249056734354857652333961655469300626594465338227694896537394854404460222246580358447869552940213590463778952025078506157701580839297180490905481838576021339597065733531451024595903418255045123846800497530079275979655544896936906310462974840423154226232742137109044282746359701095139059466624814168774721936045843219940186825757096948752999618346384691860001403183663208927
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 2,238-digit prime (170 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 87 of 170

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056420919 --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":1100000009056420919},"decimal":true,"detail":2}}'