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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 #1100000009054394168 1,270 digits created 2026-08-07

Value

4505073663108179445615628540549215304270366783974536147759250062667087074107355578653724284048361176389311916198581676996796484646977098361747193417123258764071572005111415205271819000741245662737989985155194218665958773962970224058709661812804444680096131465644788570773602082104686300407352026325979999801572788160139424568590428389375984560402244315292139761244154560955097001825452449101415732930337498271831600049211614706115054419869728832660777075076631552751835281906959162407927785273937059479567682232796950135487431034866508837929214159856634061898412390185156128731608148902220571638182782448169681719964240015983796590488821350191542932746082346078607616171551005133272079566407543440715032950069742162951918499404584374846873131016349844245106580556136589513289961981913766134313768803973716055272422783751977369396042008673066935572421431219448202689638616061480218932145997409798757268695512988879263777415529725500587331608286819602117163413635458207015853202043774040136398659491459642563893448111515566528439009352604999871677913638940510215145917343707216731773217314482317763774584041164060948501352303840514452018824514275468927211247657207635860196575874278158340570527391546021797892936443346386033100718091437083167790808631556761871486368871833
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 1,625-digit prime (130 intermediate primes).

Certified number1,625-digit prime
Certificatedownload
Certificate chainshow step 27 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054394168 --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":1100000009054394168},"decimal":true,"detail":2}}'