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 #1100000008718455239 947 digits created 2026-04-01

Value

29110689132286390158079595484579886657507985263502112196152100072508256375233490170209854142355562572299545792954421538909508562106911959659769614455418627187327084621888745152450729156089793288413365927729108142002343460562638718144096994284975173256914082558718649775294192313415693712395751757439346914826950547864090948538004629266787500183030875913007666751644275824910322550397211487082813659620274134506362415549027839251557032109964486757797348720794612206457823414480401888514130151248400573820623633155605326360007973190929588474074501420629766049574582720027513047896882648601635417935924963832291589900879901441963524393604759502899789688052270717627445395497361095304487937383468416428954185178160227926255933926600170435777843624564424535077053910832900054775954354505493305737555036727328575922779496759442374156290433747171957160744622047606917596013037050461554857772176343655794639056731319794345509106733391148720274905569475047
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 15 of the certificate chain of a 1,123-digit prime (96 intermediate primes).

Certified number1,123-digit prime
Certificatedownload
Certificate chainshow step 15 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008718455239 --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":1100000008718455239},"decimal":true,"detail":2}}'