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 #1100000009048955736 575 digits created 2026-08-06

Value

40139769143763876296557792392373766098794243938673473061631894413000932284395237291698326923359595075652585416436006730049361544097925705213507826292904205712369745810573587285026902776269134960870969543719352777023215700081380481242349010573144992822897821137439192680957137547511640376183481338405503985400310031795937388131982542428582108664419112897803368978521146483432067903057263736081117378669893458186821150957496281966168395035992260526809603101701180452064115945005899529766776490385401342578542546109860486069473454698072706529985475714586983437177516295990646989
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 78 of the certificate chain of a 1,512-digit prime (119 intermediate primes).

Certified number1,512-digit prime
Certificatedownload
Certificate chainshow step 78 of 119

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048955736 --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":1100000009048955736},"decimal":true,"detail":2}}'