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 #1100000009074404893 943 digits created 2026-08-11

Value

1391364239056671808504152140297557892211905270250375907208084625428770102433278922597079082459464264683913254391990040142833270541958651599853003156313013104119729943590995423279020748852909532925658795719860142900624807608934117081303561964054247899533411923591637982386671104626083281615748085241838708329834165055932335763650935194065597877366512306057020397279828790724182799752084496668609142088281956520182154996033143766464466540388735099505571249664692840685829003564698050237064393342606415072543743982835215559927142319774637009293016364142269634978435484587750232966040738406467560194118647480827168078624047569253600630107942126766016809798957115814607552991120439099990486976383171922654864378430316322788941850482978423525640567925445655392511192489617395313051302394019434954685029861217435658875788648629065124411519458674449289011728316298508804807608133763289582466162076981963313483068366553122971380536320209403020066839647
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 93 of the certificate chain of a 2,125-digit prime (156 intermediate primes).

Certified number2,125-digit prime
Certificatedownload
Certificate chainshow step 93 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074404893 --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":1100000009074404893},"decimal":true,"detail":2}}'