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 #1100000009028186990 510 digits created 2026-07-31

Value

335818117763405755183648477078263237493406422433706976482126578341684318286489251884063457387526111420559140299293423138280448792574642584254983033914599125708142090617887422976900510023859120920763536575153809916156920077949529013123640991647924887214079383012899795976594017125568664103984942141391504582927707697112130201090959865910174329186353883696413195283278759611462590645420107696767216051257535363857438915039219595263038648041060513586676589087666205392291704535081515967729449588477402018653833547
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 1,198-digit prime (104 intermediate primes).

Certified number1,198-digit prime
Certificatedownload
Certificate chainshow step 58 of 104

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028186990 --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":1100000009028186990},"decimal":true,"detail":2}}'