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 #1100000009019683885 893 digits created 2026-07-30

Value

51145370693886531635754744966372666792293833849277242375420691721075234595848545323483608786545241471061614922536336090591426875967221341922728986916828809246739941937617775831771713829740856101691052732161617116794610350208146830869757651351648844305346366423479041553324949507089092224867823044037941961214174500265031676632972926992358267478939457749401196564281333012470360031161377012500055294146212770862321271003361424414792524129073616861378352730067649236542171626637914973923814734029324355090129964578146964754626634281954145897329341009331194861180841704213045221243254346776724565791882539745695792900279372091659774037212874176414953786380629679862556864043317156993062347179842948671163178171905327707066930816930862349093860375966363459203599505162627560764486965834157834308887110414020851501720921072991420694335151124930217087041000931910652178720280853506738301514951178223
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 19 of the certificate chain of a 1,113-digit prime (93 intermediate primes).

Certified number1,113-digit prime
Certificatedownload
Certificate chainshow step 19 of 93

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019683885 --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":1100000009019683885},"decimal":true,"detail":2}}'