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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 #1100000004877790384 1,728 digits created 2023-10-25

Value

102879541892128712056063406694581933328886828860132280819157174773730568087093860513065036697961010723873129518255563579754886976167997825936102104115874727071920785704623864512688342069015917456760172895403759987818428865545407118217666596309707666940678432386387039889715484006078503802008481520649193250573778059202445166537619728248168873102244442536090291869813830249712944976288551050756282367284929261012724361153805291869877129141425893799215097702940638984819019312502778240612663546209732111506127624224090299077615973765782258027294404130645933499226750486157229014949720656512791610842039061337363395008370277504532717174953202204396775079965124480800823554001057770669735045339238515009861283230452784076709517283508856061149581199787684632508605270922695530301615075714142117402433074008566672877854342611142352188188694970016499816457837317688056918595305913115709088639892722865560197690241552451345332230286595357218871196180714064333293002180925906965468023602163384518024802980000474827504788871239312089427266769698939806210758290520988149193410406067867927747733541381862783224556866367463902101545939797379580611072797133196610994613726234961263834036670523704544043566180247424911438153741029426305989103452067586926278288616313161345857951286183604592656111052626088374975391737577006990372907320768853696487547866146037936473185572566731191035153909339129901597491889260661033103928801987892613593557890160779619501467116874675064359942153434474070416652669280092112263968538702030951631726714709521018141055884013880875437116345420532564945508152413732071428685334437484551679172705688676600976068027027209555662222061597281688554299982351681819872850556627185665779113677922301248521080346665858394323
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 2,439-digit prime (333 intermediate primes).

Certified number2,439-digit prime
Certificatedownload
Certificate chainshow step 88 of 333

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004877790384 --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":1100000004877790384},"decimal":true,"detail":2}}'