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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 #1100000009048783179 1,260 digits created 2026-08-05

Value

641474127976604559908669995890348818420198513631017202202726921105085601363899554153326006334348749698649778159362497455621427797483683931092424898407758711488920925087348926638791413129178426516418164960783057387993358297362116958952918363267436983406770678915012775949241814012525463724164531476819366066516451392684422375258834433371384605058064558473685356367880473393727375848099044181474797233036186093182064006953137916342854139398462598626717638430005155623915188039609258429234514941405652832769675974588029228542526890855896206861827074922938230730128425617613972943046502405615343082600366744637942479499151030122327958908890265842058434185291953781876364370431779060650385644078367245991559906741107812995654090383753334085428191718107961969727530500325824842896632795930388990322423536256521441152832053563352964974329796910848519013901411388286359731705900079370219885653248576437346778330780022650694903289633159436246311336803804633844857531108827532618954186685116102192848763327631003915094571656380142164108081184930528791706763013901984509187649632854424924749091845257857456178972607039897012863191746247236945412733072484629147967958309374226004399548465025665573455465532380444716909334983624753480950479245125727019291480934151855576931
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 1,503-digit prime (115 intermediate primes).

Certified number1,503-digit prime
Certificatedownload
Certificate chainshow step 22 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048783179 --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":1100000009048783179},"decimal":true,"detail":2}}'