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 #1100000009082543869 860 digits created 2026-08-14

Value

21365425523328474182519916725429852077677790002461101216932352673281184900182185097006933320011489674023161813837012348943778224438103316650542057268119287031402046195874578705725956891350749385609319943586836343443624601019949572324888910546622531040310400118911052885821683024622529437763897064739947890414087427708661161864392650027396407712496242510272284884998670418726238431389213667389527515705493183336096851425132388304694688460201030206030890944606399351102505358280432837851938687570305278208728430468155268208001716031529171513539351195042650513592999595555155116130055816872613030614556408627123035854188254534250525141590482372366814564956611835273872186653040917572723949864146183940792565042934975648972528112416027698355279294831421680486676371866276406482364612310951385063991866204143439507234769105731462050615352829068549594871507775642057
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 88 of the certificate chain of a 1,878-digit prime (154 intermediate primes).

Certified number1,878-digit prime
Certificatedownload
Certificate chainshow step 88 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009082543869 --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":1100000009082543869},"decimal":true,"detail":2}}'