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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 #1100000009077022125 1,132 digits created 2026-08-11

Value

1953134985807360940208554888920751874545190863421233673918459417761559658638788879631841414356221091264815874574113656178168459027284818799760654284486857290381558578722349437076856721226966377862683832673052359314609193580648544585442949092236461717179365494434813288237517899078669396542815325957574361656979524411612477849718764677386457085097267973002639274234927769169075680792431851747325887461765323719676189253847945604845647706016731223379032379762094363308214599526236839152505542226042814456336114087174892526503396019261167148058758642238536340586035883510846756142308804648398645516448593481318845943151528728833510695998119816099565121558893515987240259276648256627263843629679529014838312216438702279327426987816867983309336970843957023618857790101245220353444615719117149208100323099310767687723310305353145241672890666532210644753899696117297496194972752516513357205312288959661368786864494367095735371213788316456641390505170218608232073000895311454625588606446466231024615180937117848628730638946115368222622645187241240744112063337811440664694133826265878658366610362379955596376522760694921827829005554883736993
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,826-digit prime (147 intermediate primes).

Certified number1,826-digit prime
Certificatedownload
Certificate chainshow step 56 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077022125 --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":1100000009077022125},"decimal":true,"detail":2}}'