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 #1100000009069978841 522 digits created 2026-08-10

Value

426171080351916198528136339114106813358459584422810856892017957673759211321887409495545106306165726949708231555398125107069177979877736891621578501405123216367948445183350004292041270723011427225544860226050488367622203689880644102732685226684197384840365602931771506123694461987201060795485596636526717500831204997517464530330368611209087887297230489566630963453455778310106313151263470151967707665265230661863594133875863635109870356630857058105690203781203276625576316610406098339371797464937280684276538454378006649331
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 126 of the certificate chain of a 2,002-digit prime (160 intermediate primes).

Certified number2,002-digit prime
Certificatedownload
Certificate chainshow step 126 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009069978841 --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":1100000009069978841},"decimal":true,"detail":2}}'