factordbrpc · fdb
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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 #1100000009054394648 834 digits created 2026-08-07

Value

642763971183192648340177055464107380173803137694485956094039626423912340241002147745737754226256339182543332000496154903489205525301727666889212724136650459431480286911364054698250230146481333273047539214374460275504083372101332463151876767047156571667948286406502789111273455484244524610605314893665014931855412923034091213974572268430562191916500456740509403809790637013821704845840986145199979904064008618771476317951788625126532327361444600057450684140388346776453829013656936906349996951262606662430272217652385953089404056988119828761040258289058440348984427053349076113496189244662603178902737403548284854882525608424903635688802518705728115244939987327791464038970512317528042427043902862347712776297917447085789374885813884334863558271236655502464292122483205185604078738729807861019263990535107802941458332551581987632500687
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 61 of the certificate chain of a 1,625-digit prime (130 intermediate primes).

Certified number1,625-digit prime
Certificatedownload
Certificate chainshow step 61 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054394648 --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":1100000009054394648},"decimal":true,"detail":2}}'