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 #1100000009061477621 1,339 digits created 2026-08-09

Value

4015822541729618773927482187907270008163494832060576556378881757209233653432047399881029744209490535491664665075805141372340955413466006243185365872920793064953790901127196384571613404340225566020769271087596394447577047281787464149389234783863043063677504196736241133016495810238360528497215820422035791183488005981490409755521803519152113209444235841556913791906111194654722249281229478059162648860256790225347533803856492125820070824182176917039537747902163287904552007255692450801974906888508857486220046787300799173091415576081254550118483669410785558447604461490439542192006210159868751108924546756524473624117814049736080734672967878430179446821034101427865808323968760047878566687689174013530017401150168883837294701913304248874638617238543808406603327359131755227108957810497714871619198312280896438810353236246629289003312845804455559495358156453217268404725662300868795863361796991519923521732871067465246845787732305776763788417734480185039156706639320844634341468268368284649517921564684071863026989373674180116133305466865104616529049042116894151482896690623817499286888204345535644953534995911539914317805959014937224242634585670001622598938577617079805618939222722707509374573918489365953772517436906264689208096315732799882999392136399894992291416089488867455760039786511440083067367013031260562584605666360695962590621077
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 32 of the certificate chain of a 1,686-digit prime (136 intermediate primes).

Certified number1,686-digit prime
Certificatedownload
Certificate chainshow step 32 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061477621 --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":1100000009061477621},"decimal":true,"detail":2}}'