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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 #1100000009080133379 1,177 digits created 2026-08-12

Value

2196965143498452788942494088786342904225527194894748723362247903915091647868127734838919513986163629867746748163312407336583546279358812061576785257559498633619159330516805656174447229761953983094424878918026355922755694366747562266908731860617291462718582052525366885244355811224734551634938532801549983774187250535710706728615539316745321793999710234273505595043600938317111740036741610770118297005729513251260609127627817903209152264742469006037974144808522421393067885628855530682644845761328308629892043156829356653502621466680073664317542183824244820724373087393593757666077707941762083968556906318096095819673728534125974118335925786137507393424957549325538020324344554576365814025552096703886678359842061317255657143869242310526570016297756035486163392918564126516306118791867720258887623378869255238138993478472452642737471900082418609863463339097507362632192176474284212252856744776731034094868024023744979340367184293725997516601182051471665185296929165340567787869103949644335809736518519526478524018175670288073360611692668823636835220670791695159108442692385331883880318941268551808586929398211138191501903273828272259162483731753881969321455208687597164049462639
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,863-digit prime (144 intermediate primes).

Certified number1,863-digit prime
Certificatedownload
Certificate chainshow step 55 of 144

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080133379 --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":1100000009080133379},"decimal":true,"detail":2}}'