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 #1100000009054394563 925 digits created 2026-08-07

Value

1167955590954269894041353072064543220161033062758389931382159844477987259688329949836046797934373172851883076648592526136601539655918671743592015891777638781815195381580128046393023941496624004422096547292270221629326589622021404111273511430963222019354886213865813688755888489230970037334809334323318519848297354400967277984051358399232297098315532678345654970403628882686455972563746269602552414394279236155534758612071882853620954223861952129548829722165857908530373733715864147443695665708356463797438331486772913942096049329200433972357835456919638356548393895538818503276256853393330512943847387433493846455053371527104808059021272733266919254718880455057128252504543632806030494319936570388373416336073146912935670445889280541500198457039934250369332542453761717752204032353199603481899649120960825481145996173768277971640152496595193331489971614710805885625551671720938408759629330361790255231951738383794873791525517
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 55 of the certificate chain of a 1,625-digit prime (130 intermediate primes).

Certified number1,625-digit prime
Certificatedownload
Certificate chainshow step 55 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054394563 --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":1100000009054394563},"decimal":true,"detail":2}}'