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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 #1100000004958917561 1,111 digits created 2023-10-26

Value

3141805580346391854552887352617378902305210336212889355355012118357083360366552361849063287103592730204410949078329929731236315929011031956115207376281592067663708341762352045896947523074249863338739303003696098004458222837931838768291366490853311064691177588460040435932875834655928100948240462966187379363377735581573564046179696125163097164382457467610249395927258955028305439178694957768701098537083686118742757995510448406665066375745063321470412309818771791103995663850301958149522736591815272190097575996768506400744300056505825790242039934806703458696826987761378258094659344344231911626073438249259549318389560442915568625841453396272489594362650268285444546274012917347041478388074756152948297057674681988261864112772506473405513031459167344543493284430076878058120093075470101405363256404301731340660644922306566156242655834969628545970115427753876247326457491623872156418180981366852127363962995204189203364527313564990294085186400267865868914311344436821444747541116330953120025755874367133388892052296053118076327032767222951976181524384199885944787285308476922535095945164884967177325260974927021
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,383-digit prime (157 intermediate primes).

Certified number1,383-digit prime
Certificatedownload
Certificate chainshow step 26 of 157

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004958917561 --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":1100000004958917561},"decimal":true,"detail":2}}'