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 #1100000009080133448 751 digits created 2026-08-12

Value

4231951719178159875961153871495345941983153923020722416305350664474013195620141974226548811961533932014804903165220670862693396260234583287323187628955311105438024183304739489158767688931632555542836613635107518369909557161457454242438488744808355267331783262393011691456723784228258241491584372887887905019154214418630329432020023311581604145547425890392415098742467536258987126288890512938038184437710132831967681422816328384379350627872710891593468973816178892816515039536728167499217988046968994833345088809233400630102205233476582031789180477299847631342819899971756944543893320474862262142462251913339733799500478812831409471151187076346798477009516529802160835036634892116631713165708053385228468298298349308372326399151352655385762535622015653
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 1,863-digit prime (144 intermediate primes).

Certified number1,863-digit prime
Certificatedownload
Certificate chainshow step 89 of 144

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080133448 --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":1100000009080133448},"decimal":true,"detail":2}}'