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 #1100000009043980556 497 digits created 2026-08-04

Value

49952580852472794842332047657137459635607407394965325102244260920161758030225807284020834206779359016899549559560616012363822449699413031929969193997968435996056572632894561022071109983969395762598713822232478671390278308848915248514659592144269467506541612916722862714835193012300993968425259812240607129149045368064468478092801318212848390775955828806291294771598426399572823519713767281087869328877235159922660767439231433418168346833205997787842806473879981213214867446902276641960505963766289
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 1,384-digit prime (111 intermediate primes).

Certified number1,384-digit prime
Certificatedownload
Certificate chainshow step 75 of 111

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043980556 --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":1100000009043980556},"decimal":true,"detail":2}}'