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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 #1100000009059674320 1,276 digits created 2026-08-09

Value

8643243760935058603359978826630610400261645050884765944156644804418179044792915711693277128264838666830142405205458606650041257986408316341765363857956264556277026441947455663484918877523754352070525602433159751100377547360487705144517310724488715315671645320622663453998521317904845520521986292401023635981347023379905577746836111840074735664806263897564301378361593586082351905807666763005946268393639010183441266685030732384268169446328221740853367998812834667354427285523759849123032307475886463817634244296307839544142053791211277745412904071590431848471412023410085449081960566930674472415841463038168203067100746839916999163551600906568454038915381236426436423230510709019382928805412524708274544518378093166339205200044100995586603620671882215898447560815545847736995530933621603180072797109463904345523211699789342998452739077565580492639721598482937862843642729306783238592361008095682750733206222644309532135316992673280508135985410496522348867132231205343735430018518103296445817962850247832737318460201596122691656732519650796533511397536560527547160404216339446735117090843847207864276572209628502830433126369194148108097812367218996799313692273617951320514180550091925360776759598862542390359586437013767641602200179013182784059723856522322149466417709053126257
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 2,555-digit prime (187 intermediate primes).

Certified number2,555-digit prime
Certificatedownload
Certificate chainshow step 97 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059674320 --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":1100000009059674320},"decimal":true,"detail":2}}'