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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 #1100000008678210683 1,277 digits created 2026-03-11

Value

51989185237529322661133710941809257624308117491076729489687970761451946256052187447541765668842739764478315839584463051157340222226247413396616584087400841675629502383139850092058933041113565927413887456214925489634162998775764666653024947557364522385152916400283613179257517622203649481149527123045458112981035370620806798064337537151247448828309207404024402040322302540031983928024998129564228478101849906311386025236021934509166407153479388386124591336468564574564518172786392848441598135177750363777619752993445986480016780635559081311976091017262217074354556671165401128122531197323797031865504680989920886517347129539690363747584874855088212266551745968346170792539158372263857996633228400606701878102289742528583727803338392221301540038261843894608381925451531802862026073343928582475794750954114586626322948695255405183081457506322462281825839284407660098910372874625217664417484844444179164805256932338833654827978266097476269994798027911717486679949978908358830507851648011651105110198520550748535269684597003275186864839795495044287193192558171615313447724210946397958358626457217497251715794727306667466974426911253670971441431229852341516945766879529856392178972593791495056925615547354176415089372391940030923612014542594977040636967591287871334524642172782397397
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 1,843-digit prime (185 intermediate primes).

Certified number1,843-digit prime
Certificatedownload
Certificate chainshow step 53 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678210683 --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":1100000008678210683},"decimal":true,"detail":2}}'