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 #1100000009048452262 996 digits created 2026-08-05

Value

521391847339063660704403946416198896840273430677776074177107493097420728637980761840750002915633409839550274497440751752881147611536009966844043612428874645838702447261843497781991509106081863349912761970136468749176110677206582748726060410153214612284781102098821603923343397520769393228075858914997777238928932468540883204830341213675059645736915465046279006105172826474522717726441071303427584151437348282035860074364635427066120202314677554558388246855663924955859407993152210890062142100252643504852783763727507154177266017845847431483036932829694292915411076092670150334309659683113634188855921229909211886846735287486176363222640963133953236277201223360932139184228314384076209117211124950552235285710129773207471973287564378472073701567606172521758435179520633298644429756229055494043090752612186059475187402576107336123951212907746381919666183320169458059404135397245246541808174684434291324986029668754514773705169826477758679838297450563335959843830855159530003653737082835510913425871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 43 of the certificate chain of a 1,491-digit prime (116 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 43 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048452262 --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":1100000009048452262},"decimal":true,"detail":2}}'