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 #1100000009050563165 505 digits created 2026-08-06

Value

1848979401704609091860864556796596518280729131725407872611469701173255844946578726587036510130135710481088324501718988230874010411424694282988408962629899439954957242247379672817900689558022690316483078063619526302021029742758635910560701427476064349059692465544663596664394507607215613062777511405631985650024924776637476248207073671407986146632135770785946715078019235611675619226363385332772042536229160912414674752830576804147388718743511559657205061550214283433889297082678505217660081855267069784097
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 87 of the certificate chain of a 1,532-digit prime (127 intermediate primes).

Certified number1,532-digit prime
Certificatedownload
Certificate chainshow step 87 of 127

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050563165 --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":1100000009050563165},"decimal":true,"detail":2}}'