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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 #1100000008270920300 2,329 digits created 2025-06-06

Value

2378247271908591389643660206112435514060999704274293302307763773152763093577518776685823045359341029201792386154248405591067588829742356426969774694549482721913848891418557555165507222127566647018068042532494481859434012765656630268188705607587694658291271279452998253891568450375550898813477760313069241163396765127157013099935455787706853681921820113921105247389938781618750048423198898107877214165153222703854561832881077346702009960588049013950100463658233801543692756581800305920576215601274968164969041348632122649647960404574095962328846672035251075405498323717258768055652969839415643155201921445516284205063355193019643654448790983659762284433696621894336907808945193946543176812458998127512106817702150382172838819801233636742639260430545320196281951316343891447910017200207367092409536400647466161207347966172016818062426013870824110455604542099475305330087868765299391804679511622404483784402318439490839250775032897932113805130345236402581479593549781768027501299173388237246106144495833529658943051677706698992165244423059775270131333629555559538476797111207684367565402207714668196117412198458204591830100260497820311689588600437607919701408695263712432909503736665327698577656637985284577091947137692044406831055376136360495908390176464629178386460680666966144869281637454727796704991547844058253253060066084444855378281541499610804012193403400997291153858146723587179234800651114328974254516054401325004139803519222154765878632927268648081592132072739393536648303515224935631511260772451601835959398435712128186040577577067572726183931513709112745541797353440562481316504038664710278827709947180205640167558131517591930312062475445341692329718216565313382386855421791149585769320206418824111012204063882306684909418182798313006490144727946690448485650178959247438234946287300520836080231183599834508922623911105955699542597823088257703803293183563998377718241202566182045750680004157174105454849531732773272015559986649356530051074118426662395933307425811886109691989678566402120246930067509549292669130237033279253805351901227079932843868844018389319597748808845130841338172019253066299500439204665346827647567120025368786798301885186277068071128665383093835101791714813228925203403690266437176082866154143811951295218056355224283124899655474291232984316244588985523534567379242979094314024649374160220374135743
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 3 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920300 --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":1100000008270920300},"decimal":true,"detail":2}}'