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 #1100000009072857390 1,295 digits created 2026-08-11

Value

17558147936190335179355611132151060150315848109988900254127595988067441967409120908481815630261905655285089601347153873946845017726580225068694093662529241087702369226736366189439930858867251273687539490249363119609872698226773333765113518727248990164358128438963403718029656574724738146805997649765755150250857363530925723824233009276461609860534279157548045502451071002981555464869962282547165858667471627464034508450778635818504425226470437447226026054530065489948738456799236554124762277684935490957638221979611780245195976152044759643977813506673147567905635899298253604479475249355811864362240227427074016500747742785870615113168430934304317969427283030597296421892597739953268900016598829203934438151866140814666706115401133601082326855578915053152556056866945733258763276193728411177869375103969950493595843161608693619473548111893974048556735657530749150317317775465322380038094059860723015937346534026585957231914072374825521266313198079843666334596759369212789362368190416215496868275510506183442498871523114077486263820196729294749700997243854549435749961297537281560402869544003931120963331795852400668373495671789458184344771728771806858758001920313967967597385146421685138252833091201473175240615472565612783363430228981987564536047562272580320663734843772968587829359927302427671
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,006-digit prime (156 intermediate primes).

Certified number2,006-digit prime
Certificatedownload
Certificate chainshow step 53 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009072857390 --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":1100000009072857390},"decimal":true,"detail":2}}'