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 #1100000009050513531 1,197 digits created 2026-08-06

Value

282651087747488140394407125322606069488053878184443589470411590941080302651521197978842149945767286424726358270500932433659793073516708051521157496343760850523388379040676525497763532804577133222692074188813587327484950453371277342771221679693865376957729383835891210517094403763058642177792404979525659929520797672988800704781646474765326498203632099262628319606140884072520295952172731438247181280843726052577782923551275399491483563565178770738368600927570102870669839967659734903392895614874182179113522778826092568015826739368871988587746711473097755205916813862277865594582101190129594870151479560951378347647321148745630070373838822950568469506861822097740434320742519589279965378635297715064691871653601399924745411252407703808157434879746965885055133238637499152173191169264845767893009840663167176111173095031606308502763762507973452156293600670675441864662677356944486436714733189327639981563278453721785903713671178822953238180639428214428086658003056012187885563771004197874254424134024913980901263702046504035404801918277454817797939134162216403556907731295012472269668875399841767609537257125143443568195175163054917401976246728707447593221385458916811729964945112256769101049502123
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 1,530-digit prime (124 intermediate primes).

Certified number1,530-digit prime
Certificatedownload
Certificate chainshow step 27 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050513531 --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":1100000009050513531},"decimal":true,"detail":2}}'