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 #1100000009078966607 931 digits created 2026-08-12

Value

2181849170317522750309731359045991713991887037239150816135606078571112837251937754232041544779502766024562901410134145362799154337758879684002918273474549269687323698135376009168065409117503950774985600282197080128703695264436514369721491882373336443665029898169731142545207075206582752138064524445048713450553966074722412033348173983673628830261246581261327708917442522388668770275950702966058130157194708535086677069836610007228421430013988592600391399665717602463000071671519502653287674338702364589646536613041728890661338442570398404877007155192420694441284183358844187174894639310015079368147583296044505493806863321304369013128097537417512729036021200602060105801905110994839142483164722369673193405296181009448932832561466813303819673606430133391951026941225757239583751173865443624614612489101343068844238332304106795575413531324018978586943655747395922179090881315785879141682896246128133671224786008447968460244244971067
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 2,038-digit prime (151 intermediate primes).

Certified number2,038-digit prime
Certificatedownload
Certificate chainshow step 86 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078966607 --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":1100000009078966607},"decimal":true,"detail":2}}'