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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 #1100000009019702061 1,037 digits created 2026-07-30

Value

36198554444286453486835118294188773295342297640486329942413958393736178024663392323166664800100839253986308258864933173667573670234272888810326154918210257758160872566512265744882582422382602518242821692545913413486358425706392785143311744266777195722303135613173026421060364318955105987334500961977961649051138601948209765233329183495644443194249189494573429218364589527409894156233634146963128608509506383171677731006389512120945990187518879830421736938069611005199685581212882441259387743798365617968954467950015778835504009625006148981945014796429073850944480098058676655828036771906012228905331841061105845710078746151380007277320807152758490912287985563780489588302959785925716495243476123680553317338152424913948766551631993345974090807358366753216601044427895516971871773145951259877512665933011054247342010143219020905554282062368622984657867490121690955668718198432857987056660343894182852020907994831302357775263965471609324032428999397082277821173268306705675182367897523585912903187847605692357478364333091917356942596089289
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,113-digit prime (93 intermediate primes).

Certified number1,113-digit prime
Certificatedownload
Certificate chainshow step 9 of 93

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019702061 --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":1100000009019702061},"decimal":true,"detail":2}}'