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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 #1100000009040950081 1,223 digits created 2026-08-03

Value

59751439809175643230564348407124083201208351837527781965081906399417626578450385728387821618872973179127048142473156944175197832774329806000080063714064398915076642404440951337705343431716087748906682377510646430777395161027129550935668601019552484922761340407914964711335157722084737455943937685859005584159394363308585344127178704289860032141983047979614631127052404928796652570539263930714030948924438969025579240059627863419758128105355228317870864407436952800725664391314539699081454074760812999653313159614880027883327517969425452459948240599597326191354452915021516071639204050799609842459891999609115712585050730890330980838036080956469940785433476816301156952305031602335099387950141363462634555295473379471642076600838989087782226554536630812850588482968962106834765517957765599950566596228497404060310448376894561292750772392174934799337590539512490259043861493517262430454456647789450060435948588798598645625415261187687524474277512454059713446972022123067271358716567131997420074596471211673908443522988304378463911068300352124622003038155769063037131914115559280109092698644282286859069097412113191787224011498152261565018363209361635877253182079717334087598504643949650480878193481786033298803970407316881189
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,289-digit prime (107 intermediate primes).

Certified number1,289-digit prime
Certificatedownload
Certificate chainshow step 7 of 107

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040950081 --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":1100000009040950081},"decimal":true,"detail":2}}'