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 #1100000009040618976 974 digits created 2026-08-03

Value

16519918967749472023855886185394996188499923568207390996317993846909275736232001699332964184377059388400214714626091593424939716246703807060981471898193000199533774242452088930546768758639022605257144944541019052264545939258430965686844205496496158817407168009471090770446644276186065351543826316925948773088653263661805633426511982294082815661222050799916778910527309962262946845845577567862305430590647824976309020961601544427652983340082297423622476498216303668623677866227414142424685699632148473725283722290372392274818717795261568994537321439786730876038859497348213754896117401281743279502929079877641125516791411600415898894591887633048950755534452391631613732865867270516420390216433849522725072897591402088066558814369933115982033358921190168109943370548989219760272249950508684971420965147164965743497805106899842040433626874151959400434472527399295670754867241757556108938433154497197077740186341815250881090702785139201982125950603086882025989904759448335536559
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,275-digit prime (112 intermediate primes).

Certified number1,275-digit prime
Certificatedownload
Certificate chainshow step 26 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040618976 --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":1100000009040618976},"decimal":true,"detail":2}}'