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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 #1100000009048552471 1,259 digits created 2026-08-05

Value

22713167684342460548770608097125694620302499844250282836774582195142484316436308367469475993951411212615567258463651923553317253431569901808193325609766667951965164618190211804826681210308821497348786451568837688158197878425637902944265748384759426328708781369387830049331162217815173232485811041108245148335358505451523232083958276827761006768776412565212748586145908989304048777197534858554559072958339280138089970905631913635932147847425479508901656530667655725839112126239635072392645534622955350594497169487374912193491885682234687923082973980780218646765564335656873377041644139279101596877463816328349866500005811947861697580741464496680003859245263792559515155695526294626183374172688594642421701932247904004838445503947636806528077883244475705599879770197342222666235836940549502711893520320485928885377658571442775290935339963635284004447309909008637138758226640345471561454830663890853480243622800574974681205972859760619988026861977462336094395542505535462223825877259072831801850722370723459387804369546452348411046122637536646590580661238416033360965414984695758191168195618753677213923287698503736852265084741931632845762806797279478578395149977516275973292876989422924011562852312124524972478569629126421217767627253373751796820030226283511259
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 1,493-digit prime (115 intermediate primes).

Certified number1,493-digit prime
Certificatedownload
Certificate chainshow step 21 of 115

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048552471 --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":1100000009048552471},"decimal":true,"detail":2}}'