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 #1100000009048440344 765 digits created 2026-08-05

Value

447052419683305801229925156157757470204416193947366208938203742432402320695884644734083081802728653111593013290602468354305077982517555863355645403945781234854896754014687446607600580092272840095781764124982154265729732598602884761482685430724992643474320872641540718488213867220807936117146949654054873691160108485532205618201805816744153885885317256523249060382008443382031125278186328685206393470519827834485034937671089200030859050693836340080908589043792360987611404002326182684203146124275889598357647905292816422585134581966135094128549896089852906537151167925133335667981478800141420100097481699413414805714856131249012755299071356391942655798816673677713783023473943948306882266301391705958887097365473976297210903885330322733579938881085472639897468538529
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 64 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048440344 --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":1100000009048440344},"decimal":true,"detail":2}}'