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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 #1100000009050962371 1,065 digits created 2026-08-06

Value

495772187040538344030286708781923136421621059614264011527418955956193482203645982195383557718965148047940402819308574375194852542337762810979611258987865353362331540666453825355784377831620597606216053566517054916754105730899959153471045315855893927155626581518312724434989355488322524479241992891716088173599466773700262514450122171244287262310603666810928747139595403589599557170128746154001025920256667680273930939985706959136360639095852654868116952256884063964166357275008559105942552414922421330885592083312640557276508469565033648355724537430375915594709810777235161082873557518115215583918305642502988627272784648881537928076205221284964339258202729063904495546237785691729500678344164058234842642741492823968295457265210516970344436397397136440527873794984882767991098316553271105116472210741879923000426165660943773087239122723470882966001375738838920173610680354376394893392020967659907144063517708818447914911686310676339844185243968372019430637732690195520654891602966169374904515107769036692732704994681906165684260698194213495933083418101960441344163
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 37 of the certificate chain of a 1,548-digit prime (121 intermediate primes).

Certified number1,548-digit prime
Certificatedownload
Certificate chainshow step 37 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050962371 --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":1100000009050962371},"decimal":true,"detail":2}}'