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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 #1100000009047820822 1,323 digits created 2026-08-05

Value

158701407151225203097127059907853774054563193204542149303678616003404806114878312041223931185517041854688666950669824224328727308425452990133549389416882712381746897261910396360212080648124891339439076105364799476309042196421486060273318530764622979633145337365350056793803071024064809120367995900872231211110200560449507043121057936647673776104007979677169707256643385998044813606856900118678499617682960032464086153410810206802084064306777222694619043287198970639405226900801804438050807836062219432771874642033632200003313449029363804871048605052133346260715851524855389719549682554193743951114534181666101356179045184195945582279209054076687929181093002541767816629909088804486299070914882013849417727241615476154458748153237593922259471283935044962551428704658547191580376134830791251868647820476645156412928038405385560213884633411857633255021353834738426080950568069291632411857436421202695113301915672855863010290264779441107695066242116305323604390790231442901418161455090919334552035714171465560701313642354853794862484758487487124360467966863727114987054025891972781882212901193640047425605538126949541589871632649996311816933795771294817091470947488257903466471407579083370262509433002089490061650056605153016109485605222952503287266111630388062059067559865796903494240284021831885532631739980918763739394283867
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,470-digit prime (121 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 12 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047820822 --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":1100000009047820822},"decimal":true,"detail":2}}'