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 #1100000009077021928 1,747 digits created 2026-08-11

Value

4316470421080246593058035862360778339118976925363186153414525760605986236573039334244768737590416362030088426035698521381588564350478951667216219915713999920495569054231412788254813825862905690487413203268591667012241766688614426996857441457527812051234365368649295418715614655290016422122178459275718035597174800894431035011305587544000830464907338492494428719613189206620819601674888219441533320707386626451139246495782153941227976843137102462096664417250092180851751075208521974905006440776370931331489786000677880448453738584321724914857235468325220584284152768239731630148199890940698723162825633520231072707441656677749423151765224362824981318137137589644381261848820523497228635063970562177459281992846929706670121010483306527050889759528731259703631009837161906122819366221479569751320397178241968473256585311677713241137601068267476068987190287583631971249438844693556684214265456457582621498904894950308253142258695938115909025255289952202678539212395827255151478623462092241802934694700212257314196741702243017568447213633100752966145672091017617562445278540995257263739008655833625861171887487884797759313723363755436669126658532301170946756967757003340447843989600834200068999135435784535613791828070296871343964344198999654545624665282418670728147595241134130090971265389297460659720069325380779053173461556066645335210269326650687518477789133017249732369853055262068255498893443922533578712083410168113177774925946553714993592692904199753530616546540431500611719380973441010190971459213624459780275936932314969572099980172801707391191702329241064270927625048068414863687594823043638951145126003314824229282707190799274704439814653000396935367862635815467530407413894288317731613603800739109903065442029749323197999361503158361079781
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 1,826-digit prime (147 intermediate primes).

Certified number1,826-digit prime
Certificatedownload
Certificate chainshow step 7 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077021928 --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":1100000009077021928},"decimal":true,"detail":2}}'