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 #1100000009056499949 897 digits created 2026-08-08

Value

886381073853276030132306590595766089780638148475487786206451295293150180497121493747785779220548866232671269256311162814300667750286473527033739841785050398191492696665162007101544104652949278495789404227738924431643494227153838052790387184879733810072688289752256978657063777778280488652551134785103441632201770929798675963160127146385569502748412883693933573491306857554135251834211715234115976175163856604335325910541045239108190453677244378922504445835237664579906030077572049718726084267533903852072342932246317805526211253915176296028357312167250131134065091226879054991305641926395672422125697107281097294216388998447137763340316232886187347381955774794670085690442539976729550029307101386062161450275199987840563992241869295651113122029625052505957426017423325374857703712247385419852299062151891062041039998927844105853325506749762037719145655576846405124429162204845291300408837256703739
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 112 of the certificate chain of a 2,238-digit prime (177 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 112 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056499949 --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":1100000009056499949},"decimal":true,"detail":2}}'