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 #1100000009019874475 675 digits created 2026-07-30

Value

399545871515251375294996124807977860934772849469026442633094893976663176883467613895413064245774259520602781596897553271015884001451301319656359348665099351056459378983458048468751570713674434193691979293620004376236265255326407307543778073032077874882400769098592658792781930507763869256897079495004845513684902551665493153442732680383506396648935292263486285474934148689760087082793621650433253867110108270095414515385930105976697602197638759315417728694262208681481244764045896927877875675338007387084839706289073228882147235941406818237645562288806444865169649380789340237649954854560069168805747674294013518854342802275801859206193545400792471974734085174909855200208817
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 1,124-digit prime (102 intermediate primes).

Certified number1,124-digit prime
Certificatedownload
Certificate chainshow step 45 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019874475 --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":1100000009019874475},"decimal":true,"detail":2}}'