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 #1100000009091290471 718 digits created 2026-08-18

Value

4718690469775623452612588758045119999425620580662453899036662588643382660121063893281465952759227620483795033857442296347944044939662996594365023801967400741340672480889101311255933082711177053813325922621062570766074247680396722415947832535338999988513686735096897830495257110355911394851924249043164069899927874944577981968496857597309724068731243550585066603564139428147758469971454508771668303273211154422001506984217993565681153986124388872864532231366787466608056631200159522856736571907288627451843263616316959913183958364486265767512805822998031239336198170885240509451559080595681063042240451517452642755188793024787229178140328223136754301341468755701286447356309111644804684087424718443976873959908614703167
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 2,095-digit prime (129 intermediate primes).

Certified number2,095-digit prime
Certificatedownload
Certificate chainshow step 89 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091290471 --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":1100000009091290471},"decimal":true,"detail":2}}'