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 #1100000009019740892 508 digits created 2026-07-30

Value

7827848605973849130399647705655963360852481530359327856914010779808635153944544913827176803267763988327279340896065091762076185762471655602009307811600228147701117261783955921543088084708803868209912498325838038395906399188898616781921207967147546587177206694956546290200369914115940913895881261804488030849086097439906189912389274007698384259580686232223209041899247570751650030918667680436647374369074147200060088047845412035090246952433497726760986312480469119187562276220958675689810025258937899872196003
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,118-digit prime (89 intermediate primes).

Certified number1,118-digit prime
Certificatedownload
Certificate chainshow step 55 of 89

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019740892 --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":1100000009019740892},"decimal":true,"detail":2}}'